Update to xmodmap 1.0.6

14 files changed, 10565 insertions, 264 deletions

diff --git a/app/xmodmap/ChangeLog b/app/xmodmap/ChangeLog
index 1be40e6e5..f74007d58 100644
--- a/app/xmodmap/ChangeLog
+++ b/app/xmodmap/ChangeLog
@@ -1,3 +1,111 @@
+commit b355a23e6787f348db97faaa48085428277c659b
+Author: Alan Coopersmith <alan.coopersmith@oracle.com>
+Date:   Thu Mar 22 23:04:32 2012 -0700
+
+    xmodmap 1.0.6
+    
+    Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
+
+commit d0dfd2128e6111b967c51136d97093d3b53ee6d6
+Author: Alan Coopersmith <alan.coopersmith@oracle.com>
+Date:   Fri Nov 11 21:07:30 2011 -0800
+
+    Replace chk_malloc + sprintf with asprintf
+    
+    Includes local private copy of asprintf for OS'es without it in libc.
+    Removes chk_malloc as no callers remain anymore.
+    
+    Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
+    Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
+
+commit fecb1f5a0c2121de6d9209fc9525ac7d9b9555ea
+Author: Alan Coopersmith <alan.coopersmith@oracle.com>
+Date:   Fri Nov 11 20:46:00 2011 -0800
+
+    Free copy of input line at end of process_line instead of leaking it
+    
+    Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
+    Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
+
+commit 66c09c83aa2f64b31dc657f90447c269621545b7
+Author: Alan Coopersmith <alan.coopersmith@oracle.com>
+Date:   Fri Nov 11 20:40:18 2011 -0800
+
+    Fix gcc -Wwrite-strings warnings
+    
+    Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
+    Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
+
+commit 8751095511c7d9065ab12a40e90e38bdd9d728e4
+Author: Jeremy Huddleston <jeremyhu@apple.com>
+Date:   Fri Nov 11 11:22:43 2011 -0800
+
+    Add missing _X_NORETURN to functions that need it
+    
+    Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
+
+commit c71811ebe193cecc4add4c2d9cec751fc721343b
+Author: Jeremy Huddleston <jeremyhu@apple.com>
+Date:   Fri Nov 11 11:21:45 2011 -0800
+
+    Include strings.h for strcasecmp
+    
+    Our minimum requirement for X11 is currently Unix98.  Unix98 provides
+    strcasecmp in <strings.h>.  This commit fixes implicit declarations
+    of this function on systems that closely adhere to the standard.
+    
+    Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
+
+commit b6b5bc9e9874934dd1c1b80a1aa0c0b1c454eab2
+Author: Jeremy Huddleston <jeremyhu@apple.com>
+Date:   Sat May 7 22:05:16 2011 -0700
+
+    Improve error handling in copy_to_scratch
+    
+    handle.c:95:5: warning: Array access (from variable 'buf') results in a null pointer dereference
+        buf[len] = '\0';
+        ^~~
+    
+    Found-by: clang static analyzer
+    Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
+
+commit 1f801eea5f4d17b83aee1170423d65a74e01a138
+Author: Jeremy Huddleston <jeremyhu@apple.com>
+Date:   Sat May 7 21:45:22 2011 -0700
+
+    Dead code removal
+    
+    xmodmap.c:159:5: warning: Value stored to 'status' is never read
+        status = 0;
+        ^        ~
+    
+    Found-by: clang static analyzer
+    Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
+
+commit d427337286e0a8ac061d5acbc326e7bdb8b056a3
+Author: Gaetan Nadon <memsize@videotron.ca>
+Date:   Fri Mar 4 20:50:41 2011 -0500
+
+    man: replace hard coded section with __appmansuffix__
+    
+    Signed-off-by: Gaetan Nadon <memsize@videotron.ca>
+
+commit 65011e8a86f64d5f7e9f39052e04e5ee7e57ce1b
+Author: Gaetan Nadon <memsize@videotron.ca>
+Date:   Wed Jan 12 16:28:02 2011 -0500
+
+    config: replace deprecated AM_CONFIG_HEADER with AC_CONFIG_HEADERS
+    
+    This silences an Autoconf warning
+
+commit ec2cab2dc9b6e7c804984320d8f560adbc3477ff
+Author: Jesse Adkins <jesserayadkins@gmail.com>
+Date:   Tue Sep 28 13:29:50 2010 -0700
+
+    Purge cvs tags.
+    
+    Signed-off-by: Jesse Adkins <jesserayadkins@gmail.com>
+
 commit 3fe64746bb6c3ede67c9967ebd216a8a39cdb2ea
 Author: Alan Coopersmith <alan.coopersmith@oracle.com>
 Date:   Fri Sep 24 11:53:40 2010 -0700
diff --git a/app/xmodmap/Makefile.in b/app/xmodmap/Makefile.in
index 406704390..4eea96c3f 100644
--- a/app/xmodmap/Makefile.in
+++ b/app/xmodmap/Makefile.in
@@ -44,9 +44,9 @@ pkgincludedir = $(includedir)/@PACKAGE@
 top_builddir = .
 am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
 INSTALL = @INSTALL@
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
+install_sh_DATA = ${SHELL} $(install_sh) -c -m 644
+install_sh_PROGRAM = ${SHELL} $(install_sh) -c
+install_sh_SCRIPT = ${SHELL} $(install_sh) -c
 INSTALL_HEADER = $(INSTALL_DATA)
 transform = $(program_transform_name)
 NORMAL_INSTALL = :
@@ -122,6 +122,7 @@ AUTOCONF = @AUTOCONF@
 AUTOHEADER = @AUTOHEADER@
 AUTOMAKE = @AUTOMAKE@
 AWK = @AWK@
+BASE_CFLAGS = @BASE_CFLAGS@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
 CFLAGS = @CFLAGS@
@@ -176,6 +177,7 @@ PKG_CONFIG = @PKG_CONFIG@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
+STRICT_CFLAGS = @STRICT_CFLAGS@
 STRIP = @STRIP@
 VERSION = @VERSION@
 XMODMAP_CFLAGS = @XMODMAP_CFLAGS@
diff --git a/app/xmodmap/aclocal.m4 b/app/xmodmap/aclocal.m4
index 3f71a4321..ffa2493e2 100644
--- a/app/xmodmap/aclocal.m4
+++ b/app/xmodmap/aclocal.m4
@@ -498,18 +498,6 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
      [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
 ])
 
-# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
-# Free Software Foundation, Inc.
-#
-# This file is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# serial 8
-
-# AM_CONFIG_HEADER is obsolete.  It has been replaced by AC_CONFIG_HEADERS.
-AU_DEFUN([AM_CONFIG_HEADER], [AC_CONFIG_HEADERS($@)])
-
 # Do all the work for Automake.                             -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
@@ -1034,7 +1022,7 @@ dnl DEALINGS IN THE SOFTWARE.
 # See the "minimum version" comment for each macro you use to see what 
 # version you require.
 m4_defun([XORG_MACROS_VERSION],[
-m4_define([vers_have], [1.11.0])
+m4_define([vers_have], [1.16.2])
 m4_define([maj_have], m4_substr(vers_have, 0, m4_index(vers_have, [.])))
 m4_define([maj_needed], m4_substr([$1], 0, m4_index([$1], [.])))
 m4_if(m4_cmp(maj_have, maj_needed), 0,,
@@ -1061,7 +1049,7 @@ AC_PATH_PROGS(RAWCPP, [cpp], [${CPP}],
 # which is not the best choice for supporting other OS'es, but covers most
 # of the ones we need for now.
 AC_MSG_CHECKING([if $RAWCPP requires -undef])
-AC_LANG_CONFTEST([Does cpp redefine unix ?])
+AC_LANG_CONFTEST([AC_LANG_SOURCE([[Does cpp redefine unix ?]])])
 if test `${RAWCPP} < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then
 	AC_MSG_RESULT([no])
 else
@@ -1079,7 +1067,7 @@ fi
 rm -f conftest.$ac_ext
 
 AC_MSG_CHECKING([if $RAWCPP requires -traditional])
-AC_LANG_CONFTEST([Does cpp preserve   "whitespace"?])
+AC_LANG_CONFTEST([AC_LANG_SOURCE([[Does cpp preserve   "whitespace"?]])])
 if test `${RAWCPP} < conftest.$ac_ext | grep -c 'preserve   \"'` -eq 1 ; then
 	AC_MSG_RESULT([no])
 else
@@ -1429,6 +1417,123 @@ AM_CONDITIONAL([HAVE_XMLTO_TEXT], [test $have_xmlto_text = yes])
 AM_CONDITIONAL([HAVE_XMLTO], [test "$have_xmlto" = yes])
 ]) # XORG_WITH_XMLTO
 
+# XORG_WITH_XSLTPROC([MIN-VERSION], [DEFAULT])
+# --------------------------------------------
+# Minimum version: 1.12.0
+# Minimum version for optional DEFAULT argument: 1.12.0
+#
+# XSLT (Extensible Stylesheet Language Transformations) is a declarative,
+# XML-based language used for the transformation of XML documents.
+# The xsltproc command line tool is for applying XSLT stylesheets to XML documents.
+# It is used under the cover by xmlto to generate html files from DocBook/XML.
+# The XSLT processor is often used as a standalone tool for transformations.
+# It should not be assumed that this tool is used only to work with documnetation.
+# When DEFAULT is not specified, --with-xsltproc assumes 'auto'.
+#
+# Interface to module:
+# HAVE_XSLTPROC: used in makefiles to conditionally generate documentation
+# XSLTPROC:	 returns the path of the xsltproc program found
+#		 returns the path set by the user in the environment
+# --with-xsltproc: 'yes' user instructs the module to use xsltproc
+#		  'no' user instructs the module not to use xsltproc
+# have_xsltproc: returns yes if xsltproc found in PATH or no
+#
+# If the user sets the value of XSLTPROC, AC_PATH_PROG skips testing the path.
+#
+AC_DEFUN([XORG_WITH_XSLTPROC],[
+AC_ARG_VAR([XSLTPROC], [Path to xsltproc command])
+# Preserves the interface, should it be implemented later
+m4_ifval([$1], [m4_warn([syntax], [Checking for xsltproc MIN-VERSION is not implemented])])
+m4_define([_defopt], m4_default([$2], [auto]))
+AC_ARG_WITH(xsltproc,
+	AS_HELP_STRING([--with-xsltproc],
+	   [Use xsltproc for the transformation of XML documents (default: ]_defopt[)]),
+	   [use_xsltproc=$withval], [use_xsltproc=]_defopt)
+m4_undefine([_defopt])
+
+if test "x$use_xsltproc" = x"auto"; then
+   AC_PATH_PROG([XSLTPROC], [xsltproc])
+   if test "x$XSLTPROC" = "x"; then
+        AC_MSG_WARN([xsltproc not found - cannot transform XML documents])
+	have_xsltproc=no
+   else
+        have_xsltproc=yes
+   fi
+elif test "x$use_xsltproc" = x"yes" ; then
+   AC_PATH_PROG([XSLTPROC], [xsltproc])
+   if test "x$XSLTPROC" = "x"; then
+        AC_MSG_ERROR([--with-xsltproc=yes specified but xsltproc not found in PATH])
+   fi
+   have_xsltproc=yes
+elif test "x$use_xsltproc" = x"no" ; then
+   if test "x$XSLTPROC" != "x"; then
+      AC_MSG_WARN([ignoring XSLTPROC environment variable since --with-xsltproc=no was specified])
+   fi
+   have_xsltproc=no
+else
+   AC_MSG_ERROR([--with-xsltproc expects 'yes' or 'no'])
+fi
+
+AM_CONDITIONAL([HAVE_XSLTPROC], [test "$have_xsltproc" = yes])
+]) # XORG_WITH_XSLTPROC
+
+# XORG_WITH_PERL([MIN-VERSION], [DEFAULT])
+# ----------------------------------------
+# Minimum version: 1.15.0
+#
+# PERL (Practical Extraction and Report Language) is a language optimized for
+# scanning arbitrary text files, extracting information from those text files,
+# and printing reports based on that information.
+#
+# When DEFAULT is not specified, --with-perl assumes 'auto'.
+#
+# Interface to module:
+# HAVE_PERL: used in makefiles to conditionally scan text files
+# PERL:	     returns the path of the perl program found
+#	     returns the path set by the user in the environment
+# --with-perl: 'yes' user instructs the module to use perl
+#	       'no' user instructs the module not to use perl
+# have_perl: returns yes if perl found in PATH or no
+#
+# If the user sets the value of PERL, AC_PATH_PROG skips testing the path.
+#
+AC_DEFUN([XORG_WITH_PERL],[
+AC_ARG_VAR([PERL], [Path to perl command])
+# Preserves the interface, should it be implemented later
+m4_ifval([$1], [m4_warn([syntax], [Checking for perl MIN-VERSION is not implemented])])
+m4_define([_defopt], m4_default([$2], [auto]))
+AC_ARG_WITH(perl,
+	AS_HELP_STRING([--with-perl],
+	   [Use perl for extracting information from files (default: ]_defopt[)]),
+	   [use_perl=$withval], [use_perl=]_defopt)
+m4_undefine([_defopt])
+
+if test "x$use_perl" = x"auto"; then
+   AC_PATH_PROG([PERL], [perl])
+   if test "x$PERL" = "x"; then
+        AC_MSG_WARN([perl not found - cannot extract information and report])
+	have_perl=no
+   else
+        have_perl=yes
+   fi
+elif test "x$use_perl" = x"yes" ; then
+   AC_PATH_PROG([PERL], [perl])
+   if test "x$PERL" = "x"; then
+        AC_MSG_ERROR([--with-perl=yes specified but perl not found in PATH])
+   fi
+   have_perl=yes
+elif test "x$use_perl" = x"no" ; then
+   if test "x$PERL" != "x"; then
+      AC_MSG_WARN([ignoring PERL environment variable since --with-perl=no was specified])
+   fi
+   have_perl=no
+else
+   AC_MSG_ERROR([--with-perl expects 'yes' or 'no'])
+fi
+
+AM_CONDITIONAL([HAVE_PERL], [test "$have_perl" = yes])
+]) # XORG_WITH_PERL
+
 # XORG_WITH_ASCIIDOC([MIN-VERSION], [DEFAULT])
 # ----------------
 # Minimum version: 1.5.0
@@ -1674,10 +1779,11 @@ AM_CONDITIONAL([HAVE_GROFF_MM], [test "$groff_mm_works" = yes])
 AM_CONDITIONAL([HAVE_GROFF_HTML], [test "$have_groff_html" = yes])
 ]) # XORG_WITH_GROFF
 
-# XORG_WITH_FOP([DEFAULT])
-# ----------------
+# XORG_WITH_FOP([MIN-VERSION], [DEFAULT])
+# ---------------------------------------
 # Minimum version: 1.6.0
 # Minimum version for optional DEFAULT argument: 1.11.0
+# Minimum version for optional MIN-VERSION argument: 1.15.0
 #
 # Documentation tools are not always available on all platforms and sometimes
 # not at the appropriate level. This macro enables a module to test for the
@@ -1697,7 +1803,7 @@ AM_CONDITIONAL([HAVE_GROFF_HTML], [test "$have_groff_html" = yes])
 #
 AC_DEFUN([XORG_WITH_FOP],[
 AC_ARG_VAR([FOP], [Path to fop command])
-m4_define([_defopt], m4_default([$1], [auto]))
+m4_define([_defopt], m4_default([$2], [auto]))
 AC_ARG_WITH(fop,
 	AS_HELP_STRING([--with-fop],
 	   [Use fop to regenerate documentation (default: ]_defopt[)]),
@@ -1726,6 +1832,22 @@ elif test "x$use_fop" = x"no" ; then
 else
    AC_MSG_ERROR([--with-fop expects 'yes' or 'no'])
 fi
+
+# Test for a minimum version of fop, if provided.
+m4_ifval([$1],
+[if test "$have_fop" = yes; then
+    # scrape the fop version
+    AC_MSG_CHECKING([for fop minimum version])
+    fop_version=`$FOP -version 2>/dev/null | cut -d' ' -f3`
+    AC_MSG_RESULT([$fop_version])
+    AS_VERSION_COMPARE([$fop_version], [$1],
+        [if test "x$use_fop" = xauto; then
+            AC_MSG_WARN([fop version $fop_version found, but $1 needed])
+            have_fop=no
+        else
+            AC_MSG_ERROR([fop version $fop_version found, but $1 needed])
+        fi])
+fi])
 AM_CONDITIONAL([HAVE_FOP], [test "$have_fop" = yes])
 ]) # XORG_WITH_FOP
 
@@ -1808,12 +1930,12 @@ AM_CONDITIONAL([HAVE_PS2PDF], [test "$have_ps2pdf" = yes])
 # parm1:	specify the default value, yes or no.
 #
 AC_DEFUN([XORG_ENABLE_DOCS],[
-m4_define([default], m4_default([$1], [yes]))
+m4_define([docs_default], m4_default([$1], [yes]))
 AC_ARG_ENABLE(docs,
 	AS_HELP_STRING([--enable-docs],
-	   [Enable building the documentation (default: ]default[)]),
-	   [build_docs=$enableval], [build_docs=]default)
-m4_undefine([default])
+	   [Enable building the documentation (default: ]docs_default[)]),
+	   [build_docs=$enableval], [build_docs=]docs_default)
+m4_undefine([docs_default])
 AM_CONDITIONAL(ENABLE_DOCS, [test x$build_docs = xyes])
 AC_MSG_CHECKING([whether to build documentation])
 AC_MSG_RESULT([$build_docs])
@@ -1885,6 +2007,288 @@ AC_MSG_CHECKING([whether to build functional specifications])
 AC_MSG_RESULT([$build_specs])
 ]) # XORG_ENABLE_SPECS
 
+# XORG_ENABLE_UNIT_TESTS (enable_unit_tests=auto)
+# ----------------------------------------------
+# Minimum version: 1.13.0
+#
+# This macro enables a builder to enable/disable unit testing
+# It makes no assumption about the test cases implementation
+# Test cases may or may not use Automake "Support for test suites"
+# They may or may not use the software utility library GLib
+#
+# When used in conjunction with XORG_WITH_GLIB, use both AM_CONDITIONAL
+# ENABLE_UNIT_TESTS and HAVE_GLIB. Not all unit tests may use glib.
+# The variable enable_unit_tests is used by other macros in this file.
+#
+# Interface to module:
+# ENABLE_UNIT_TESTS:	used in makefiles to conditionally build tests
+# enable_unit_tests:    used in configure.ac for additional configuration
+# --enable-unit-tests:	'yes' user instructs the module to build tests
+#			'no' user instructs the module not to build tests
+# parm1:		specify the default value, yes or no.
+#
+AC_DEFUN([XORG_ENABLE_UNIT_TESTS],[
+AC_BEFORE([$0], [XORG_WITH_GLIB])
+AC_BEFORE([$0], [XORG_LD_WRAP])
+AC_REQUIRE([XORG_MEMORY_CHECK_FLAGS])
+m4_define([_defopt], m4_default([$1], [auto]))
+AC_ARG_ENABLE(unit-tests, AS_HELP_STRING([--enable-unit-tests],
+	[Enable building unit test cases (default: ]_defopt[)]),
+	[enable_unit_tests=$enableval], [enable_unit_tests=]_defopt)
+m4_undefine([_defopt])
+AM_CONDITIONAL(ENABLE_UNIT_TESTS, [test "x$enable_unit_tests" != xno])
+AC_MSG_CHECKING([whether to build unit test cases])
+AC_MSG_RESULT([$enable_unit_tests])
+]) # XORG_ENABLE_UNIT_TESTS
+
+# XORG_ENABLE_INTEGRATION_TESTS (enable_unit_tests=auto)
+# ------------------------------------------------------
+# Minimum version: 1.17.0
+#
+# This macro enables a builder to enable/disable integration testing
+# It makes no assumption about the test cases' implementation
+# Test cases may or may not use Automake "Support for test suites"
+#
+# Please see XORG_ENABLE_UNIT_TESTS for unit test support. Unit test support
+# usually requires less dependencies and may be built and run under less
+# stringent environments than integration tests.
+#
+# Interface to module:
+# ENABLE_INTEGRATION_TESTS:   used in makefiles to conditionally build tests
+# enable_integration_tests:   used in configure.ac for additional configuration
+# --enable-integration-tests: 'yes' user instructs the module to build tests
+#                             'no' user instructs the module not to build tests
+# parm1:                      specify the default value, yes or no.
+#
+AC_DEFUN([XORG_ENABLE_INTEGRATION_TESTS],[
+AC_REQUIRE([XORG_MEMORY_CHECK_FLAGS])
+m4_define([_defopt], m4_default([$1], [auto]))
+AC_ARG_ENABLE(integration-tests, AS_HELP_STRING([--enable-integration-tests],
+	[Enable building integration test cases (default: ]_defopt[)]),
+	[enable_integration_tests=$enableval],
+	[enable_integration_tests=]_defopt)
+m4_undefine([_defopt])
+AM_CONDITIONAL([ENABLE_INTEGRATION_TESTS],
+	[test "x$enable_integration_tests" != xno])
+AC_MSG_CHECKING([whether to build unit test cases])
+AC_MSG_RESULT([$enable_integration_tests])
+]) # XORG_ENABLE_INTEGRATION_TESTS
+
+# XORG_WITH_GLIB([MIN-VERSION], [DEFAULT])
+# ----------------------------------------
+# Minimum version: 1.13.0
+#
+# GLib is a library which provides advanced data structures and functions.
+# This macro enables a module to test for the presence of Glib.
+#
+# When used with ENABLE_UNIT_TESTS, it is assumed GLib is used for unit testing.
+# Otherwise the value of $enable_unit_tests is blank.
+#
+# Please see XORG_ENABLE_INTEGRATION_TESTS for integration test support. Unit
+# test support usually requires less dependencies and may be built and run under
+# less stringent environments than integration tests.
+#
+# Interface to module:
+# HAVE_GLIB: used in makefiles to conditionally build targets
+# with_glib: used in configure.ac to know if GLib has been found
+# --with-glib:	'yes' user instructs the module to use glib
+#		'no' user instructs the module not to use glib
+#
+AC_DEFUN([XORG_WITH_GLIB],[
+AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+m4_define([_defopt], m4_default([$2], [auto]))
+AC_ARG_WITH(glib, AS_HELP_STRING([--with-glib],
+	[Use GLib library for unit testing (default: ]_defopt[)]),
+	[with_glib=$withval], [with_glib=]_defopt)
+m4_undefine([_defopt])
+
+have_glib=no
+# Do not probe GLib if user explicitly disabled unit testing
+if test "x$enable_unit_tests" != x"no"; then
+  # Do not probe GLib if user explicitly disabled it
+  if test "x$with_glib" != x"no"; then
+    m4_ifval(
+      [$1],
+      [PKG_CHECK_MODULES([GLIB], [glib-2.0 >= $1], [have_glib=yes], [have_glib=no])],
+      [PKG_CHECK_MODULES([GLIB], [glib-2.0], [have_glib=yes], [have_glib=no])]
+    )
+  fi
+fi
+
+# Not having GLib when unit testing has been explicitly requested is an error
+if test "x$enable_unit_tests" = x"yes"; then
+  if test "x$have_glib" = x"no"; then
+    AC_MSG_ERROR([--enable-unit-tests=yes specified but glib-2.0 not found])
+  fi
+fi
+
+# Having unit testing disabled when GLib has been explicitly requested is an error
+if test "x$enable_unit_tests" = x"no"; then
+  if test "x$with_glib" = x"yes"; then
+    AC_MSG_ERROR([--enable-unit-tests=yes specified but glib-2.0 not found])
+  fi
+fi
+
+# Not having GLib when it has been explicitly requested is an error
+if test "x$with_glib" = x"yes"; then
+  if test "x$have_glib" = x"no"; then
+    AC_MSG_ERROR([--with-glib=yes specified but glib-2.0 not found])
+  fi
+fi
+
+AM_CONDITIONAL([HAVE_GLIB], [test "$have_glib" = yes])
+]) # XORG_WITH_GLIB
+
+# XORG_LD_WRAP([required|optional])
+# ---------------------------------
+# Minimum version: 1.13.0
+#
+# Check if linker supports -wrap, passed via compiler flags
+#
+# When used with ENABLE_UNIT_TESTS, it is assumed -wrap is used for unit testing.
+# Otherwise the value of $enable_unit_tests is blank.
+#
+# Argument added in 1.16.0 - default is "required", to match existing behavior
+# of returning an error if enable_unit_tests is yes, and ld -wrap is not
+# available, an argument of "optional" allows use when some unit tests require
+# ld -wrap and others do not.
+#
+AC_DEFUN([XORG_LD_WRAP],[
+XORG_CHECK_LINKER_FLAGS([-Wl,-wrap,exit],[have_ld_wrap=yes],[have_ld_wrap=no],
+    [AC_LANG_PROGRAM([#include <stdlib.h>
+                      void __wrap_exit(int status) { return; }],
+                     [exit(0);])])
+# Not having ld wrap when unit testing has been explicitly requested is an error
+if test "x$enable_unit_tests" = x"yes" -a "x$1" != "xoptional"; then
+  if test "x$have_ld_wrap" = x"no"; then
+    AC_MSG_ERROR([--enable-unit-tests=yes specified but ld -wrap support is not available])
+  fi
+fi
+AM_CONDITIONAL([HAVE_LD_WRAP], [test "$have_ld_wrap" = yes])
+#
+]) # XORG_LD_WRAP
+
+# XORG_CHECK_LINKER_FLAGS
+# -----------------------
+# SYNOPSIS
+#
+#   XORG_CHECK_LINKER_FLAGS(FLAGS, [ACTION-SUCCESS], [ACTION-FAILURE], [PROGRAM-SOURCE])
+#
+# DESCRIPTION
+#
+#   Check whether the given linker FLAGS work with the current language's
+#   linker, or whether they give an error.
+#
+#   ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on
+#   success/failure.
+#
+#   PROGRAM-SOURCE is the program source to link with, if needed
+#
+#   NOTE: Based on AX_CHECK_COMPILER_FLAGS.
+#
+# LICENSE
+#
+#   Copyright (c) 2009 Mike Frysinger <vapier@gentoo.org>
+#   Copyright (c) 2009 Steven G. Johnson <stevenj@alum.mit.edu>
+#   Copyright (c) 2009 Matteo Frigo
+#
+#   This program is free software: you can redistribute it and/or modify it
+#   under the terms of the GNU General Public License as published by the
+#   Free Software Foundation, either version 3 of the License, or (at your
+#   option) any later version.
+#
+#   This program is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+#   Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License along
+#   with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+#   As a special exception, the respective Autoconf Macro's copyright owner
+#   gives unlimited permission to copy, distribute and modify the configure
+#   scripts that are the output of Autoconf when processing the Macro. You
+#   need not follow the terms of the GNU General Public License when using
+#   or distributing such scripts, even though portions of the text of the
+#   Macro appear in them. The GNU General Public License (GPL) does govern
+#   all other use of the material that constitutes the Autoconf Macro.
+#
+#   This special exception to the GPL applies to versions of the Autoconf
+#   Macro released by the Autoconf Archive. When you make and distribute a
+#   modified version of the Autoconf Macro, you may extend this special
+#   exception to the GPL to apply to your modified version as well.#
+AC_DEFUN([XORG_CHECK_LINKER_FLAGS],
+[AC_MSG_CHECKING([whether the linker accepts $1])
+dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname:
+AS_LITERAL_IF([$1],
+  [AC_CACHE_VAL(AS_TR_SH(xorg_cv_linker_flags_[$1]), [
+      ax_save_FLAGS=$LDFLAGS
+      LDFLAGS="$1"
+      AC_LINK_IFELSE([m4_default([$4],[AC_LANG_PROGRAM()])],
+        AS_TR_SH(xorg_cv_linker_flags_[$1])=yes,
+        AS_TR_SH(xorg_cv_linker_flags_[$1])=no)
+      LDFLAGS=$ax_save_FLAGS])],
+  [ax_save_FLAGS=$LDFLAGS
+   LDFLAGS="$1"
+   AC_LINK_IFELSE([AC_LANG_PROGRAM()],
+     eval AS_TR_SH(xorg_cv_linker_flags_[$1])=yes,
+     eval AS_TR_SH(xorg_cv_linker_flags_[$1])=no)
+   LDFLAGS=$ax_save_FLAGS])
+eval xorg_check_linker_flags=$AS_TR_SH(xorg_cv_linker_flags_[$1])
+AC_MSG_RESULT($xorg_check_linker_flags)
+if test "x$xorg_check_linker_flags" = xyes; then
+	m4_default([$2], :)
+else
+	m4_default([$3], :)
+fi
+]) # XORG_CHECK_LINKER_FLAGS
+
+# XORG_MEMORY_CHECK_FLAGS
+# -----------------------
+# Minimum version: 1.16.0
+#
+# This macro attempts to find appropriate memory checking functionality
+# for various platforms which unit testing code may use to catch various
+# forms of memory allocation and access errors in testing.
+#
+# Interface to module:
+# XORG_MALLOC_DEBUG_ENV - environment variables to set to enable debugging
+#                         Usually added to TESTS_ENVIRONMENT in Makefile.am
+#
+# If the user sets the value of XORG_MALLOC_DEBUG_ENV, it is used verbatim.
+#
+AC_DEFUN([XORG_MEMORY_CHECK_FLAGS],[
+
+AC_REQUIRE([AC_CANONICAL_HOST])
+AC_ARG_VAR([XORG_MALLOC_DEBUG_ENV],
+           [Environment variables to enable memory checking in tests])
+
+# Check for different types of support on different platforms
+case $host_os in
+    solaris*)
+        AC_CHECK_LIB([umem], [umem_alloc],
+            [malloc_debug_env='LD_PRELOAD=libumem.so UMEM_DEBUG=default'])
+        ;;
+    *-gnu*) # GNU libc - Value is used as a single byte bit pattern,
+        # both directly and inverted, so should not be 0 or 255.
+        malloc_debug_env='MALLOC_PERTURB_=15'
+        ;;
+    darwin*)
+        malloc_debug_env='MallocPreScribble=1 MallocScribble=1 DYLD_INSERT_LIBRARIES=/usr/lib/libgmalloc.dylib'
+        ;;
+    *bsd*)
+        malloc_debug_env='MallocPreScribble=1 MallocScribble=1'
+        ;;
+esac
+
+# User supplied flags override default flags
+if test "x$XORG_MALLOC_DEBUG_ENV" != "x"; then
+    malloc_debug_env="$XORG_MALLOC_DEBUG_ENV"
+fi
+
+AC_SUBST([XORG_MALLOC_DEBUG_ENV],[$malloc_debug_env])
+]) # XORG_WITH_LINT
+
 # XORG_CHECK_MALLOC_ZERO
 # ----------------------
 # Minimum version: 1.0.0
@@ -1901,18 +2305,16 @@ AC_ARG_ENABLE(malloc0returnsnull,
 
 AC_MSG_CHECKING([whether malloc(0) returns NULL])
 if test "x$MALLOC_ZERO_RETURNS_NULL" = xauto; then
-	AC_RUN_IFELSE([
-char *malloc();
-char *realloc();
-char *calloc();
-main() {
+	AC_RUN_IFELSE([AC_LANG_PROGRAM([
+#include <stdlib.h>
+],[
     char *m0, *r0, *c0, *p;
     m0 = malloc(0);
     p = malloc(10);
     r0 = realloc(p,0);
-    c0 = calloc(0);
-    exit(m0 == 0 || r0 == 0 || c0 == 0 ? 0 : 1);
-}],
+    c0 = calloc(0,10);
+    exit((m0 == 0 || r0 == 0 || c0 == 0) ? 0 : 1);
+])],
 		[MALLOC_ZERO_RETURNS_NULL=yes],
 		[MALLOC_ZERO_RETURNS_NULL=no],
 		[MALLOC_ZERO_RETURNS_NULL=yes])
@@ -2038,59 +2440,300 @@ AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno])
 
 ]) # XORG_LINT_LIBRARY
 
+# XORG_COMPILER_BRAND
+# -------------------
+# Minimum version: 1.14.0
+#
+# Checks for various brands of compilers and sets flags as appropriate:
+#   GNU gcc - relies on AC_PROG_CC (via AC_PROG_CC_C99) to set GCC to "yes"
+#   GNU g++ - relies on AC_PROG_CXX to set GXX to "yes"
+#   clang compiler - sets CLANGCC to "yes"
+#   Intel compiler - sets INTELCC to "yes"
+#   Sun/Oracle Solaris Studio cc - sets SUNCC to "yes"
+#
+AC_DEFUN([XORG_COMPILER_BRAND], [
+AC_LANG_CASE(
+	[C], [
+		AC_REQUIRE([AC_PROG_CC_C99])
+	],
+	[C++], [
+		AC_REQUIRE([AC_PROG_CXX])
+	]
+)
+AC_CHECK_DECL([__clang__], [CLANGCC="yes"], [CLANGCC="no"])
+AC_CHECK_DECL([__INTEL_COMPILER], [INTELCC="yes"], [INTELCC="no"])
+AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
+]) # XORG_COMPILER_BRAND
+
+# XORG_TESTSET_CFLAG(<variable>, <flag>, [<alternative flag>, ...])
+# ---------------
+# Minimum version: 1.16.0
+#
+# Test if the compiler works when passed the given flag as a command line argument.
+# If it succeeds, the flag is appeneded to the given variable.  If not, it tries the
+# next flag in the list until there are no more options.
+#
+# Note that this does not guarantee that the compiler supports the flag as some
+# compilers will simply ignore arguments that they do not understand, but we do
+# attempt to weed out false positives by using -Werror=unknown-warning-option and
+# -Werror=unused-command-line-argument
+#
+AC_DEFUN([XORG_TESTSET_CFLAG], [
+m4_if([$#], 0, [m4_fatal([XORG_TESTSET_CFLAG was given with an unsupported number of arguments])])
+m4_if([$#], 1, [m4_fatal([XORG_TESTSET_CFLAG was given with an unsupported number of arguments])])
+
+AC_LANG_COMPILER_REQUIRE
+
+AC_LANG_CASE(
+	[C], [
+		AC_REQUIRE([AC_PROG_CC_C99])
+		define([PREFIX], [C])
+		define([CACHE_PREFIX], [cc])
+		define([COMPILER], [$CC])
+	],
+	[C++], [
+		define([PREFIX], [CXX])
+		define([CACHE_PREFIX], [cxx])
+		define([COMPILER], [$CXX])
+	]
+)
+
+[xorg_testset_save_]PREFIX[FLAGS]="$PREFIX[FLAGS]"
+
+if test "x$[xorg_testset_]CACHE_PREFIX[_unknown_warning_option]" = "x" ; then
+	PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option"
+	AC_CACHE_CHECK([if ]COMPILER[ supports -Werror=unknown-warning-option],
+			[xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option],
+			AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])],
+					  [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option=yes],
+					  [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option=no]))
+	[xorg_testset_]CACHE_PREFIX[_unknown_warning_option]=$[xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option]
+	PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]"
+fi
+
+if test "x$[xorg_testset_]CACHE_PREFIX[_unused_command_line_argument]" = "x" ; then
+	if test "x$[xorg_testset_]CACHE_PREFIX[_unknown_warning_option]" = "xyes" ; then
+		PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option"
+	fi
+	PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unused-command-line-argument"
+	AC_CACHE_CHECK([if ]COMPILER[ supports -Werror=unused-command-line-argument],
+			[xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument],
+			AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])],
+					  [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument=yes],
+					  [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument=no]))
+	[xorg_testset_]CACHE_PREFIX[_unused_command_line_argument]=$[xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument]
+	PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]"
+fi
+
+found="no"
+m4_foreach([flag], m4_cdr($@), [
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unused-command-line-argument"
+		fi
+
+		PREFIX[FLAGS]="$PREFIX[FLAGS] ]flag["
+
+dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname
+		AC_MSG_CHECKING([if ]COMPILER[ supports]flag[])
+		cacheid=AS_TR_SH([xorg_cv_]CACHE_PREFIX[_flag_]flag[])
+		AC_CACHE_VAL($cacheid,
+			     [AC_LINK_IFELSE([AC_LANG_PROGRAM([int i;])],
+					     [eval $cacheid=yes],
+					     [eval $cacheid=no])])
+
+		PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]"
+
+		eval supported=\$$cacheid
+		AC_MSG_RESULT([$supported])
+		if test "$supported" = "yes" ; then
+			$1="$$1 ]flag["
+			found="yes"
+		fi
+	fi
+])
+]) # XORG_TESTSET_CFLAG
+
+# XORG_COMPILER_FLAGS
+# ---------------
+# Minimum version: 1.16.0
+#
+# Defines BASE_CFLAGS or BASE_CXXFLAGS to contain a set of command line
+# arguments supported by the selected compiler which do NOT alter the generated
+# code.  These arguments will cause the compiler to print various warnings
+# during compilation AND turn a conservative set of warnings into errors.
+#
+# The set of flags supported by BASE_CFLAGS and BASE_CXXFLAGS will grow in
+# future versions of util-macros as options are added to new compilers.
+#
+AC_DEFUN([XORG_COMPILER_FLAGS], [
+AC_REQUIRE([XORG_COMPILER_BRAND])
+
+AC_ARG_ENABLE(selective-werror,
+              AS_HELP_STRING([--disable-selective-werror],
+                             [Turn off selective compiler errors. (default: enabled)]),
+              [SELECTIVE_WERROR=$enableval],
+              [SELECTIVE_WERROR=yes])
+
+AC_LANG_CASE(
+        [C], [
+                define([PREFIX], [C])
+        ],
+        [C++], [
+                define([PREFIX], [CXX])
+        ]
+)
+# -v is too short to test reliably with XORG_TESTSET_CFLAG
+if test "x$SUNCC" = "xyes"; then
+    [BASE_]PREFIX[FLAGS]="-v"
+else
+    [BASE_]PREFIX[FLAGS]=""
+fi
+
+# This chunk of warnings were those that existed in the legacy CWARNFLAGS
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wall])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wpointer-arith])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-declarations])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wformat=2], [-Wformat])
+
+AC_LANG_CASE(
+	[C], [
+		XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wstrict-prototypes])
+		XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-prototypes])
+		XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wnested-externs])
+		XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wbad-function-cast])
+		XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wold-style-definition])
+		XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wdeclaration-after-statement])
+	]
+)
+
+# This chunk adds additional warnings that could catch undesired effects.
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wunused])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wuninitialized])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wshadow])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wcast-qual])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-noreturn])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-format-attribute])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wredundant-decls])
+
+# These are currently disabled because they are noisy.  They will be enabled
+# in the future once the codebase is sufficiently modernized to silence
+# them.  For now, I don't want them to drown out the other warnings.
+# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wlogical-op])
+# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wparentheses])
+# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wcast-align])
+
+# Turn some warnings into errors, so we don't accidently get successful builds
+# when there are problems that should be fixed.
+
+if test "x$SELECTIVE_WERROR" = "xyes" ; then
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=implicit], [-errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=nonnull])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=init-self])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=main])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=missing-braces])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=sequence-point])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=return-type], [-errwarn=E_FUNC_HAS_NO_RETURN_STMT])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=trigraphs])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=array-bounds])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=write-strings])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=address])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=int-to-pointer-cast], [-errwarn=E_BAD_PTR_INT_COMBINATION])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=pointer-to-int-cast]) # Also -errwarn=E_BAD_PTR_INT_COMBINATION
+else
+AC_MSG_WARN([You have chosen not to turn some select compiler warnings into errors.  This should not be necessary.  Please report why you needed to do so in a bug report at $PACKAGE_BUGREPORT])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wimplicit])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wnonnull])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Winit-self])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmain])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-braces])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wsequence-point])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wreturn-type])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wtrigraphs])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Warray-bounds])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wwrite-strings])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Waddress])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wint-to-pointer-cast])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wpointer-to-int-cast])
+fi
+
+AC_SUBST([BASE_]PREFIX[FLAGS])
+]) # XORG_COMPILER_FLAGS
+
 # XORG_CWARNFLAGS
 # ---------------
 # Minimum version: 1.2.0
+# Deprecated since: 1.16.0 (Use XORG_COMPILER_FLAGS instead)
 #
 # Defines CWARNFLAGS to enable C compiler warnings.
 #
+# This function is deprecated because it defines -fno-strict-aliasing
+# which alters the code generated by the compiler.  If -fno-strict-aliasing
+# is needed, then it should be added explicitly in the module when
+# it is updated to use BASE_CFLAGS.
+#
 AC_DEFUN([XORG_CWARNFLAGS], [
-AC_REQUIRE([AC_PROG_CC_C99])
-if  test "x$GCC" = xyes ; then
-    CWARNFLAGS="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes \
--Wmissing-declarations -Wnested-externs -fno-strict-aliasing \
--Wbad-function-cast -Wformat=2"
-    case `$CC -dumpversion` in
-    3.4.* | 4.*)
-	CWARNFLAGS="$CWARNFLAGS -Wold-style-definition -Wdeclaration-after-statement"
-	;;
-    esac
-else
-    AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
-    if test "x$SUNCC" = "xyes"; then
-	CWARNFLAGS="-v"
-    fi
-fi
-AC_SUBST(CWARNFLAGS)
+AC_REQUIRE([XORG_COMPILER_FLAGS])
+AC_REQUIRE([XORG_COMPILER_BRAND])
+AC_LANG_CASE(
+	[C], [
+		CWARNFLAGS="$BASE_CFLAGS"
+		if  test "x$GCC" = xyes ; then
+		    CWARNFLAGS="$CWARNFLAGS -fno-strict-aliasing"
+		fi
+		AC_SUBST(CWARNFLAGS)
+	]
+)
 ]) # XORG_CWARNFLAGS
 
 # XORG_STRICT_OPTION
 # -----------------------
 # Minimum version: 1.3.0
 #
-# Add configure option to enable strict compilation
+# Add configure option to enable strict compilation flags, such as treating
+# warnings as fatal errors.
+# If --enable-strict-compilation is passed to configure, adds strict flags to
+# $BASE_CFLAGS or $BASE_CXXFLAGS and the deprecated $CWARNFLAGS.
+#
+# Starting in 1.14.0 also exports $STRICT_CFLAGS for use in other tests or
+# when strict compilation is unconditionally desired.
 AC_DEFUN([XORG_STRICT_OPTION], [
-# If the module's configure.ac calls AC_PROG_CC later on, CC gets set to C89
-AC_REQUIRE([AC_PROG_CC_C99])
 AC_REQUIRE([XORG_CWARNFLAGS])
+AC_REQUIRE([XORG_COMPILER_FLAGS])
 
 AC_ARG_ENABLE(strict-compilation,
 			  AS_HELP_STRING([--enable-strict-compilation],
 			  [Enable all warnings from compiler and make them errors (default: disabled)]),
 			  [STRICT_COMPILE=$enableval], [STRICT_COMPILE=no])
+
+AC_LANG_CASE(
+        [C], [
+                define([PREFIX], [C])
+        ],
+        [C++], [
+                define([PREFIX], [CXX])
+        ]
+)
+
+[STRICT_]PREFIX[FLAGS]=""
+XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-pedantic])
+XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-Werror], [-errwarn])
+
+# Earlier versions of gcc (eg: 4.2) support -Werror=attributes, but do not
+# activate it with -Werror, so we add it here explicitly.
+XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-Werror=attributes])
+
 if test "x$STRICT_COMPILE" = "xyes"; then
-	AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
-	AC_CHECK_DECL([__INTEL_COMPILER], [INTELCC="yes"], [INTELCC="no"])
-	if test "x$GCC" = xyes ; then
-		STRICT_CFLAGS="-pedantic -Werror"
-	elif test "x$SUNCC" = "xyes"; then
-		STRICT_CFLAGS="-errwarn"
-    elif test "x$INTELCC" = "xyes"; then
-		STRICT_CFLAGS="-Werror"
-	fi
+    [BASE_]PREFIX[FLAGS]="$[BASE_]PREFIX[FLAGS] $[STRICT_]PREFIX[FLAGS]"
+    AC_LANG_CASE([C], [CWARNFLAGS="$CWARNFLAGS $STRICT_CFLAGS"])
 fi
-CWARNFLAGS="$CWARNFLAGS $STRICT_CFLAGS"
-AC_SUBST([CWARNFLAGS])
+AC_SUBST([STRICT_]PREFIX[FLAGS])
+AC_SUBST([BASE_]PREFIX[FLAGS])
+AC_LANG_CASE([C], AC_SUBST([CWARNFLAGS]))
 ]) # XORG_STRICT_OPTION
 
 # XORG_DEFAULT_OPTIONS
@@ -2101,6 +2744,7 @@ AC_SUBST([CWARNFLAGS])
 #
 AC_DEFUN([XORG_DEFAULT_OPTIONS], [
 AC_REQUIRE([AC_PROG_INSTALL])
+XORG_COMPILER_FLAGS
 XORG_CWARNFLAGS
 XORG_STRICT_OPTION
 XORG_RELEASE_VERSION
diff --git a/app/xmodmap/config.h.in b/app/xmodmap/config.h.in
index 03c77061b..a47b438bc 100644
--- a/app/xmodmap/config.h.in
+++ b/app/xmodmap/config.h.in
@@ -1,5 +1,8 @@
 /* config.h.in.  Generated from configure.ac by autoheader.  */
 
+/* Define to 1 if you have the `asprintf' function. */
+#undef HAVE_ASPRINTF
+
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
diff --git a/app/xmodmap/configure b/app/xmodmap/configure
index c2482189e..b1d489176 100644
--- a/app/xmodmap/configure
+++ b/app/xmodmap/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.62 for xmodmap 1.0.5.
+# Generated by GNU Autoconf 2.62 for xmodmap 1.0.6.
 #
 # Report bugs to <https://bugs.freedesktop.org/enter_bug.cgi?product=xorg>.
 #
@@ -596,8 +596,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='xmodmap'
 PACKAGE_TARNAME='xmodmap'
-PACKAGE_VERSION='1.0.5'
-PACKAGE_STRING='xmodmap 1.0.5'
+PACKAGE_VERSION='1.0.6'
+PACKAGE_STRING='xmodmap 1.0.6'
 PACKAGE_BUGREPORT='https://bugs.freedesktop.org/enter_bug.cgi?product=xorg'
 
 # Factoring default headers for most tests.
@@ -716,7 +716,9 @@ am__fastdepCC_FALSE
 CPP
 GREP
 EGREP
+BASE_CFLAGS
 CWARNFLAGS
+STRICT_CFLAGS
 CHANGELOG_CMD
 PKG_CONFIG
 INSTALL_CMD
@@ -757,6 +759,7 @@ ac_user_opts='
 enable_option_checking
 enable_maintainer_mode
 enable_dependency_tracking
+enable_selective_werror
 enable_strict_compilation
 with_lint
 '
@@ -1326,7 +1329,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures xmodmap 1.0.5 to adapt to many kinds of systems.
+\`configure' configures xmodmap 1.0.6 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1396,7 +1399,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of xmodmap 1.0.5:";;
+     short | recursive ) echo "Configuration of xmodmap 1.0.6:";;
    esac
   cat <<\_ACEOF
 
@@ -1408,6 +1411,9 @@ Optional Features:
 			  (and sometimes confusing) to the casual installer
   --disable-dependency-tracking  speeds up one-time build
   --enable-dependency-tracking   do not reject slow dependency extractors
+  --disable-selective-werror
+                          Turn off selective compiler errors. (default:
+                          enabled)
   --enable-strict-compilation
                           Enable all warnings from compiler and make them
                           errors (default: disabled)
@@ -1501,7 +1507,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-xmodmap configure 1.0.5
+xmodmap configure 1.0.6
 generated by GNU Autoconf 2.62
 
 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -1515,7 +1521,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by xmodmap $as_me 1.0.5, which was
+It was created by xmodmap $as_me 1.0.6, which was
 generated by GNU Autoconf 2.62.  Invocation command line was
 
   $ $0 $@
@@ -2164,7 +2170,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='xmodmap'
- VERSION='1.0.5'
+ VERSION='1.0.6'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -4276,6 +4282,188 @@ done
 
 
 
+
+
+{ $as_echo "$as_me:$LINENO: checking whether __clang__ is declared" >&5
+$as_echo_n "checking whether __clang__ is declared... " >&6; }
+if test "${ac_cv_have_decl___clang__+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+#ifndef __clang__
+  (void) __clang__;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_have_decl___clang__=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_have_decl___clang__=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl___clang__" >&5
+$as_echo "$ac_cv_have_decl___clang__" >&6; }
+if test $ac_cv_have_decl___clang__ = yes; then
+  CLANGCC="yes"
+else
+  CLANGCC="no"
+fi
+
+{ $as_echo "$as_me:$LINENO: checking whether __INTEL_COMPILER is declared" >&5
+$as_echo_n "checking whether __INTEL_COMPILER is declared... " >&6; }
+if test "${ac_cv_have_decl___INTEL_COMPILER+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+#ifndef __INTEL_COMPILER
+  (void) __INTEL_COMPILER;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_have_decl___INTEL_COMPILER=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_have_decl___INTEL_COMPILER=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl___INTEL_COMPILER" >&5
+$as_echo "$ac_cv_have_decl___INTEL_COMPILER" >&6; }
+if test $ac_cv_have_decl___INTEL_COMPILER = yes; then
+  INTELCC="yes"
+else
+  INTELCC="no"
+fi
+
+{ $as_echo "$as_me:$LINENO: checking whether __SUNPRO_C is declared" >&5
+$as_echo_n "checking whether __SUNPRO_C is declared... " >&6; }
+if test "${ac_cv_have_decl___SUNPRO_C+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+#ifndef __SUNPRO_C
+  (void) __SUNPRO_C;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_have_decl___SUNPRO_C=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_have_decl___SUNPRO_C=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl___SUNPRO_C" >&5
+$as_echo "$ac_cv_have_decl___SUNPRO_C" >&6; }
+if test $ac_cv_have_decl___SUNPRO_C = yes; then
+  SUNCC="yes"
+else
+  SUNCC="no"
+fi
+
+
+
+
 if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
 	if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
@@ -4552,19 +4740,46 @@ $as_echo "$ac_cv_path_SED" >&6; }
 
 
 
-if  test "x$GCC" = xyes ; then
-    CWARNFLAGS="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes \
--Wmissing-declarations -Wnested-externs -fno-strict-aliasing \
--Wbad-function-cast -Wformat=2"
-    case `$CC -dumpversion` in
-    3.4.* | 4.*)
-	CWARNFLAGS="$CWARNFLAGS -Wold-style-definition -Wdeclaration-after-statement"
-	;;
-    esac
+
+# Check whether --enable-selective-werror was given.
+if test "${enable_selective_werror+set}" = set; then
+  enableval=$enable_selective_werror; SELECTIVE_WERROR=$enableval
 else
-    { $as_echo "$as_me:$LINENO: checking whether __SUNPRO_C is declared" >&5
-$as_echo_n "checking whether __SUNPRO_C is declared... " >&6; }
-if test "${ac_cv_have_decl___SUNPRO_C+set}" = set; then
+  SELECTIVE_WERROR=yes
+fi
+
+
+
+
+
+# -v is too short to test reliably with XORG_TESTSET_CFLAG
+if test "x$SUNCC" = "xyes"; then
+    BASE_CFLAGS="-v"
+else
+    BASE_CFLAGS=""
+fi
+
+# This chunk of warnings were those that existed in the legacy CWARNFLAGS
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
   $as_echo_n "(cached) " >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -4573,18 +4788,205 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-$ac_includes_default
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wall"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wall" >&5
+$as_echo_n "checking if $CC supports-Wall... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wall
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
 int
 main ()
 {
-#ifndef __SUNPRO_C
-  (void) __SUNPRO_C;
-#endif
 
   ;
   return 0;
 }
 _ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wall"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
 case "(($ac_try" in
@@ -4603,32 +5005,8582 @@ $as_echo "$ac_try_echo") >&5
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  ac_cv_have_decl___SUNPRO_C=yes
+  xorg_cv_cc_flag_unknown_warning_option=yes
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_have_decl___SUNPRO_C=no
+	xorg_cv_cc_flag_unknown_warning_option=no
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl___SUNPRO_C" >&5
-$as_echo "$ac_cv_have_decl___SUNPRO_C" >&6; }
-if test $ac_cv_have_decl___SUNPRO_C = yes; then
-  SUNCC="yes"
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
 else
-  SUNCC="no"
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
 fi
 
-    if test "x$SUNCC" = "xyes"; then
-	CWARNFLAGS="-v"
-    fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wpointer-arith"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wpointer-arith" >&5
+$as_echo_n "checking if $CC supports-Wpointer-arith... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wpointer_arith
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wpointer-arith"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wmissing-declarations"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wmissing-declarations" >&5
+$as_echo_n "checking if $CC supports-Wmissing-declarations... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wmissing_declarations
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wmissing-declarations"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wformat=2"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wformat=2" >&5
+$as_echo_n "checking if $CC supports-Wformat=2... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wformat_2
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wformat=2"
+			found="yes"
+		fi
+	fi
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wformat"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wformat" >&5
+$as_echo_n "checking if $CC supports-Wformat... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wformat
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wformat"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wstrict-prototypes"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wstrict-prototypes" >&5
+$as_echo_n "checking if $CC supports-Wstrict-prototypes... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wstrict_prototypes
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wstrict-prototypes"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wmissing-prototypes"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wmissing-prototypes" >&5
+$as_echo_n "checking if $CC supports-Wmissing-prototypes... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wmissing_prototypes
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wmissing-prototypes"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wnested-externs"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wnested-externs" >&5
+$as_echo_n "checking if $CC supports-Wnested-externs... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wnested_externs
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wnested-externs"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wbad-function-cast"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wbad-function-cast" >&5
+$as_echo_n "checking if $CC supports-Wbad-function-cast... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wbad_function_cast
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wbad-function-cast"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wold-style-definition"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wold-style-definition" >&5
+$as_echo_n "checking if $CC supports-Wold-style-definition... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wold_style_definition
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wold-style-definition"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wdeclaration-after-statement"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wdeclaration-after-statement" >&5
+$as_echo_n "checking if $CC supports-Wdeclaration-after-statement... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wdeclaration_after_statement
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wdeclaration-after-statement"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+# This chunk adds additional warnings that could catch undesired effects.
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wunused"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wunused" >&5
+$as_echo_n "checking if $CC supports-Wunused... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wunused
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wunused"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wuninitialized"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wuninitialized" >&5
+$as_echo_n "checking if $CC supports-Wuninitialized... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wuninitialized
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wuninitialized"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wshadow"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wshadow" >&5
+$as_echo_n "checking if $CC supports-Wshadow... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wshadow
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wshadow"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wcast-qual"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wcast-qual" >&5
+$as_echo_n "checking if $CC supports-Wcast-qual... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wcast_qual
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wcast-qual"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wmissing-noreturn"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wmissing-noreturn" >&5
+$as_echo_n "checking if $CC supports-Wmissing-noreturn... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wmissing_noreturn
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wmissing-noreturn"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wmissing-format-attribute"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wmissing-format-attribute" >&5
+$as_echo_n "checking if $CC supports-Wmissing-format-attribute... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wmissing_format_attribute
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wmissing-format-attribute"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wredundant-decls"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wredundant-decls" >&5
+$as_echo_n "checking if $CC supports-Wredundant-decls... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wredundant_decls
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wredundant-decls"
+			found="yes"
+		fi
+	fi
+
+
+
+# These are currently disabled because they are noisy.  They will be enabled
+# in the future once the codebase is sufficiently modernized to silence
+# them.  For now, I don't want them to drown out the other warnings.
+# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wlogical-op])
+# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wparentheses])
+# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wcast-align])
+
+# Turn some warnings into errors, so we don't accidently get successful builds
+# when there are problems that should be fixed.
+
+if test "x$SELECTIVE_WERROR" = "xyes" ; then
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=implicit"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=implicit" >&5
+$as_echo_n "checking if $CC supports-Werror=implicit... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_implicit
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=implicit"
+			found="yes"
+		fi
+	fi
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED" >&5
+$as_echo_n "checking if $CC supports-errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED... " >&6; }
+		cacheid=xorg_cv_cc_flag__errwarn_E_NO_EXPLICIT_TYPE_GIVEN__errwarn_E_NO_IMPLICIT_DECL_ALLOWED
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=nonnull"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=nonnull" >&5
+$as_echo_n "checking if $CC supports-Werror=nonnull... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_nonnull
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=nonnull"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=init-self"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=init-self" >&5
+$as_echo_n "checking if $CC supports-Werror=init-self... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_init_self
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=init-self"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=main"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=main" >&5
+$as_echo_n "checking if $CC supports-Werror=main... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_main
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=main"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=missing-braces"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=missing-braces" >&5
+$as_echo_n "checking if $CC supports-Werror=missing-braces... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_missing_braces
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=missing-braces"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=sequence-point"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=sequence-point" >&5
+$as_echo_n "checking if $CC supports-Werror=sequence-point... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_sequence_point
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=sequence-point"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=return-type"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=return-type" >&5
+$as_echo_n "checking if $CC supports-Werror=return-type... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_return_type
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=return-type"
+			found="yes"
+		fi
+	fi
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -errwarn=E_FUNC_HAS_NO_RETURN_STMT"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-errwarn=E_FUNC_HAS_NO_RETURN_STMT" >&5
+$as_echo_n "checking if $CC supports-errwarn=E_FUNC_HAS_NO_RETURN_STMT... " >&6; }
+		cacheid=xorg_cv_cc_flag__errwarn_E_FUNC_HAS_NO_RETURN_STMT
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -errwarn=E_FUNC_HAS_NO_RETURN_STMT"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=trigraphs"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=trigraphs" >&5
+$as_echo_n "checking if $CC supports-Werror=trigraphs... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_trigraphs
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=trigraphs"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=array-bounds"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=array-bounds" >&5
+$as_echo_n "checking if $CC supports-Werror=array-bounds... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_array_bounds
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=array-bounds"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=write-strings"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=write-strings" >&5
+$as_echo_n "checking if $CC supports-Werror=write-strings... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_write_strings
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=write-strings"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=address"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=address" >&5
+$as_echo_n "checking if $CC supports-Werror=address... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_address
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=address"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=int-to-pointer-cast"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=int-to-pointer-cast" >&5
+$as_echo_n "checking if $CC supports-Werror=int-to-pointer-cast... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_int_to_pointer_cast
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=int-to-pointer-cast"
+			found="yes"
+		fi
+	fi
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -errwarn=E_BAD_PTR_INT_COMBINATION"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-errwarn=E_BAD_PTR_INT_COMBINATION" >&5
+$as_echo_n "checking if $CC supports-errwarn=E_BAD_PTR_INT_COMBINATION... " >&6; }
+		cacheid=xorg_cv_cc_flag__errwarn_E_BAD_PTR_INT_COMBINATION
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -errwarn=E_BAD_PTR_INT_COMBINATION"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror=pointer-to-int-cast"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=pointer-to-int-cast" >&5
+$as_echo_n "checking if $CC supports-Werror=pointer-to-int-cast... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_pointer_to_int_cast
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Werror=pointer-to-int-cast"
+			found="yes"
+		fi
+	fi
+
+ # Also -errwarn=E_BAD_PTR_INT_COMBINATION
+else
+{ $as_echo "$as_me:$LINENO: WARNING: You have chosen not to turn some select compiler warnings into errors.  This should not be necessary.  Please report why you needed to do so in a bug report at $PACKAGE_BUGREPORT" >&5
+$as_echo "$as_me: WARNING: You have chosen not to turn some select compiler warnings into errors.  This should not be necessary.  Please report why you needed to do so in a bug report at $PACKAGE_BUGREPORT" >&2;}
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wimplicit"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wimplicit" >&5
+$as_echo_n "checking if $CC supports-Wimplicit... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wimplicit
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wimplicit"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wnonnull"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wnonnull" >&5
+$as_echo_n "checking if $CC supports-Wnonnull... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wnonnull
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wnonnull"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Winit-self"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Winit-self" >&5
+$as_echo_n "checking if $CC supports-Winit-self... " >&6; }
+		cacheid=xorg_cv_cc_flag__Winit_self
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Winit-self"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wmain"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wmain" >&5
+$as_echo_n "checking if $CC supports-Wmain... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wmain
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wmain"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wmissing-braces"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wmissing-braces" >&5
+$as_echo_n "checking if $CC supports-Wmissing-braces... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wmissing_braces
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wmissing-braces"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wsequence-point"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wsequence-point" >&5
+$as_echo_n "checking if $CC supports-Wsequence-point... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wsequence_point
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wsequence-point"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wreturn-type"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wreturn-type" >&5
+$as_echo_n "checking if $CC supports-Wreturn-type... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wreturn_type
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wreturn-type"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wtrigraphs"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wtrigraphs" >&5
+$as_echo_n "checking if $CC supports-Wtrigraphs... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wtrigraphs
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wtrigraphs"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Warray-bounds"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Warray-bounds" >&5
+$as_echo_n "checking if $CC supports-Warray-bounds... " >&6; }
+		cacheid=xorg_cv_cc_flag__Warray_bounds
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Warray-bounds"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wwrite-strings"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wwrite-strings" >&5
+$as_echo_n "checking if $CC supports-Wwrite-strings... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wwrite_strings
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wwrite-strings"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Waddress"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Waddress" >&5
+$as_echo_n "checking if $CC supports-Waddress... " >&6; }
+		cacheid=xorg_cv_cc_flag__Waddress
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Waddress"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wint-to-pointer-cast"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wint-to-pointer-cast" >&5
+$as_echo_n "checking if $CC supports-Wint-to-pointer-cast... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wint_to_pointer_cast
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wint-to-pointer-cast"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Wpointer-to-int-cast"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Wpointer-to-int-cast" >&5
+$as_echo_n "checking if $CC supports-Wpointer-to-int-cast... " >&6; }
+		cacheid=xorg_cv_cc_flag__Wpointer_to_int_cast
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			BASE_CFLAGS="$BASE_CFLAGS -Wpointer-to-int-cast"
+			found="yes"
+		fi
+	fi
+
+
+fi
+
+
+
+
+
+
+
+		CWARNFLAGS="$BASE_CFLAGS"
+		if  test "x$GCC" = xyes ; then
+		    CWARNFLAGS="$CWARNFLAGS -fno-strict-aliasing"
+		fi
+
+
 
 
 
-# If the module's configure.ac calls AC_PROG_CC later on, CC gets set to C89
 
 
 
@@ -4639,10 +13591,32 @@ else
   STRICT_COMPILE=no
 fi
 
-if test "x$STRICT_COMPILE" = "xyes"; then
-	{ $as_echo "$as_me:$LINENO: checking whether __SUNPRO_C is declared" >&5
-$as_echo_n "checking whether __SUNPRO_C is declared... " >&6; }
-if test "${ac_cv_have_decl___SUNPRO_C+set}" = set; then
+
+
+
+
+
+STRICT_CFLAGS=""
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
   $as_echo_n "(cached) " >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -4651,18 +13625,205 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-$ac_includes_default
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unknown_warning_option=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unknown_warning_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -pedantic"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-pedantic" >&5
+$as_echo_n "checking if $CC supports-pedantic... " >&6; }
+		cacheid=xorg_cv_cc_flag__pedantic
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
 int
 main ()
 {
-#ifndef __SUNPRO_C
-  (void) __SUNPRO_C;
-#endif
 
   ;
   return 0;
 }
 _ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			STRICT_CFLAGS="$STRICT_CFLAGS -pedantic"
+			found="yes"
+		fi
+	fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
 case "(($ac_try" in
@@ -4681,27 +13842,91 @@ $as_echo "$ac_try_echo") >&5
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  ac_cv_have_decl___SUNPRO_C=yes
+  xorg_cv_cc_flag_unknown_warning_option=yes
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_have_decl___SUNPRO_C=no
+	xorg_cv_cc_flag_unknown_warning_option=no
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl___SUNPRO_C" >&5
-$as_echo "$ac_cv_have_decl___SUNPRO_C" >&6; }
-if test $ac_cv_have_decl___SUNPRO_C = yes; then
-  SUNCC="yes"
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
 else
-  SUNCC="no"
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
 fi
 
-	{ $as_echo "$as_me:$LINENO: checking whether __INTEL_COMPILER is declared" >&5
-$as_echo_n "checking whether __INTEL_COMPILER is declared... " >&6; }
-if test "${ac_cv_have_decl___INTEL_COMPILER+set}" = set; then
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -Werror"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror" >&5
+$as_echo_n "checking if $CC supports-Werror... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
   $as_echo_n "(cached) " >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -4710,18 +13935,173 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-$ac_includes_default
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			STRICT_CFLAGS="$STRICT_CFLAGS -Werror"
+			found="yes"
+		fi
+	fi
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
+
+		CFLAGS="$CFLAGS -errwarn"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-errwarn" >&5
+$as_echo_n "checking if $CC supports-errwarn... " >&6; }
+		cacheid=xorg_cv_cc_flag__errwarn
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
 int
 main ()
 {
-#ifndef __INTEL_COMPILER
-  (void) __INTEL_COMPILER;
-#endif
 
   ;
   return 0;
 }
 _ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			STRICT_CFLAGS="$STRICT_CFLAGS -errwarn"
+			found="yes"
+		fi
+	fi
+
+
+
+# Earlier versions of gcc (eg: 4.2) support -Werror=attributes, but do not
+# activate it with -Werror, so we add it here explicitly.
+
+
+
+
+
+
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_cc_unknown_warning_option" = "x" ; then
+	CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if test "${xorg_cv_cc_flag_unknown_warning_option+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
 case "(($ac_try" in
@@ -4740,33 +14120,162 @@ $as_echo "$ac_try_echo") >&5
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  ac_cv_have_decl___INTEL_COMPILER=yes
+  xorg_cv_cc_flag_unknown_warning_option=yes
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_have_decl___INTEL_COMPILER=no
+	xorg_cv_cc_flag_unknown_warning_option=no
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl___INTEL_COMPILER" >&5
-$as_echo "$ac_cv_have_decl___INTEL_COMPILER" >&6; }
-if test $ac_cv_have_decl___INTEL_COMPILER = yes; then
-  INTELCC="yes"
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+	xorg_testset_cc_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_cc_unused_command_line_argument" = "x" ; then
+	if test "x$xorg_testset_cc_unknown_warning_option" = "xyes" ; then
+		CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+	fi
+	CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+	{ $as_echo "$as_me:$LINENO: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if test "${xorg_cv_cc_flag_unused_command_line_argument+set}" = set; then
+  $as_echo_n "(cached) " >&6
 else
-  INTELCC="no"
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+{ $as_echo "$as_me:$LINENO: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+	xorg_testset_cc_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+	CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+	if test $found = "no" ; then
+		if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+		fi
+
+		if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+			CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+		fi
 
-	if test "x$GCC" = xyes ; then
-		STRICT_CFLAGS="-pedantic -Werror"
-	elif test "x$SUNCC" = "xyes"; then
-		STRICT_CFLAGS="-errwarn"
-    elif test "x$INTELCC" = "xyes"; then
-		STRICT_CFLAGS="-Werror"
+		CFLAGS="$CFLAGS -Werror=attributes"
+
+		{ $as_echo "$as_me:$LINENO: checking if $CC supports-Werror=attributes" >&5
+$as_echo_n "checking if $CC supports-Werror=attributes... " >&6; }
+		cacheid=xorg_cv_cc_flag__Werror_attributes
+		if { as_var=$cacheid; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+int i;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval $cacheid=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval $cacheid=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+		CFLAGS="$xorg_testset_save_CFLAGS"
+
+		eval supported=\$$cacheid
+		{ $as_echo "$as_me:$LINENO: result: $supported" >&5
+$as_echo "$supported" >&6; }
+		if test "$supported" = "yes" ; then
+			STRICT_CFLAGS="$STRICT_CFLAGS -Werror=attributes"
+			found="yes"
+		fi
 	fi
+
+
+
+if test "x$STRICT_COMPILE" = "xyes"; then
+    BASE_CFLAGS="$BASE_CFLAGS $STRICT_CFLAGS"
+    CWARNFLAGS="$CWARNFLAGS $STRICT_CFLAGS"
 fi
-CWARNFLAGS="$CWARNFLAGS $STRICT_CFLAGS"
+
+
 
 
 
@@ -4908,7 +14417,8 @@ ac_config_headers="$ac_config_headers config.h"
 
 
 
-for ac_func in strncasecmp
+
+for ac_func in strncasecmp asprintf
 do
 as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 { $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
@@ -5019,12 +14529,12 @@ if test -n "$PKG_CONFIG"; then
         pkg_cv_XMODMAP_CFLAGS="$XMODMAP_CFLAGS"
     else
         if test -n "$PKG_CONFIG" && \
-    { ($as_echo "$as_me:$LINENO: \$PKG_CONFIG --exists --print-errors \"x11\"") >&5
-  ($PKG_CONFIG --exists --print-errors "x11") 2>&5
+    { ($as_echo "$as_me:$LINENO: \$PKG_CONFIG --exists --print-errors \"x11 xproto >= 7.0.17\"") >&5
+  ($PKG_CONFIG --exists --print-errors "x11 xproto >= 7.0.17") 2>&5
   ac_status=$?
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; then
-  pkg_cv_XMODMAP_CFLAGS=`$PKG_CONFIG --cflags "x11" 2>/dev/null`
+  pkg_cv_XMODMAP_CFLAGS=`$PKG_CONFIG --cflags "x11 xproto >= 7.0.17" 2>/dev/null`
 else
   pkg_failed=yes
 fi
@@ -5037,12 +14547,12 @@ if test -n "$PKG_CONFIG"; then
         pkg_cv_XMODMAP_LIBS="$XMODMAP_LIBS"
     else
         if test -n "$PKG_CONFIG" && \
-    { ($as_echo "$as_me:$LINENO: \$PKG_CONFIG --exists --print-errors \"x11\"") >&5
-  ($PKG_CONFIG --exists --print-errors "x11") 2>&5
+    { ($as_echo "$as_me:$LINENO: \$PKG_CONFIG --exists --print-errors \"x11 xproto >= 7.0.17\"") >&5
+  ($PKG_CONFIG --exists --print-errors "x11 xproto >= 7.0.17") 2>&5
   ac_status=$?
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; then
-  pkg_cv_XMODMAP_LIBS=`$PKG_CONFIG --libs "x11" 2>/dev/null`
+  pkg_cv_XMODMAP_LIBS=`$PKG_CONFIG --libs "x11 xproto >= 7.0.17" 2>/dev/null`
 else
   pkg_failed=yes
 fi
@@ -5061,14 +14571,14 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        XMODMAP_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "x11"`
+	        XMODMAP_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "x11 xproto >= 7.0.17"`
         else
-	        XMODMAP_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "x11"`
+	        XMODMAP_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "x11 xproto >= 7.0.17"`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$XMODMAP_PKG_ERRORS" >&5
 
-	{ { $as_echo "$as_me:$LINENO: error: Package requirements (x11) were not met:
+	{ { $as_echo "$as_me:$LINENO: error: Package requirements (x11 xproto >= 7.0.17) were not met:
 
 $XMODMAP_PKG_ERRORS
 
@@ -5079,7 +14589,7 @@ Alternatively, you may set the environment variables XMODMAP_CFLAGS
 and XMODMAP_LIBS to avoid the need to call pkg-config.
 See the pkg-config man page for more details.
 " >&5
-$as_echo "$as_me: error: Package requirements (x11) were not met:
+$as_echo "$as_me: error: Package requirements (x11 xproto >= 7.0.17) were not met:
 
 $XMODMAP_PKG_ERRORS
 
@@ -5678,7 +15188,7 @@ exec 6>&1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by xmodmap $as_me 1.0.5, which was
+This file was extended by xmodmap $as_me 1.0.6, which was
 generated by GNU Autoconf 2.62.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -5731,7 +15241,7 @@ Report bugs to <bug-autoconf@gnu.org>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_version="\\
-xmodmap config.status 1.0.5
+xmodmap config.status 1.0.6
 configured by $0, generated by GNU Autoconf 2.62,
   with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
diff --git a/app/xmodmap/configure.ac b/app/xmodmap/configure.ac
index 4f7b9f32d..d4eb8a679 100644
--- a/app/xmodmap/configure.ac
+++ b/app/xmodmap/configure.ac
@@ -23,7 +23,7 @@ dnl Process this file with autoconf to create configure.
 
 AC_PREREQ([2.60])
 AC_INIT([xmodmap],
-	[1.0.5],
+	[1.0.6],
 	[https://bugs.freedesktop.org/enter_bug.cgi?product=xorg],
 	[xmodmap])
 AM_INIT_AUTOMAKE([foreign dist-bzip2])
@@ -35,12 +35,12 @@ m4_ifndef([XORG_MACROS_VERSION],
 XORG_MACROS_VERSION(1.8)
 XORG_DEFAULT_OPTIONS
 
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS([config.h])
 
-AC_CHECK_FUNCS([strncasecmp])
+AC_CHECK_FUNCS([strncasecmp asprintf])
 
 # Checks for pkg-config packages
-PKG_CHECK_MODULES(XMODMAP, x11)
+PKG_CHECK_MODULES(XMODMAP, x11 xproto >= 7.0.17)
 
 dnl Allow checking code with lint, sparse, etc.
 XORG_WITH_LINT
diff --git a/app/xmodmap/exec.c b/app/xmodmap/exec.c
index c0b771058..dbcb6691c 100644
--- a/app/xmodmap/exec.c
+++ b/app/xmodmap/exec.c
@@ -1,5 +1,3 @@
-/* $XdotOrg: exec.c,v 1.4 2001/02/09 02:05:56 xorgcvs Exp $ */
-/* $Xorg: exec.c,v 1.4 2001/02/09 02:05:56 xorgcvs Exp $ */
 /*
 
 Copyright 1988, 1998  The Open Group
@@ -55,7 +53,6 @@ from The Open Group.
  * Author:  Jim Fulton, MIT X Consortium; derived from parts of the
  * original xmodmap, written by David Rosenthal, of Sun Microsystems.
  */
-/* $XFree86: xc/programs/xmodmap/exec.c,v 1.5 2001/12/14 20:02:13 dawes Exp $ */
 
 #include <X11/Xos.h>
 #include <X11/Xlib.h>
@@ -283,7 +280,7 @@ PrintKeyTable(Bool exprs, FILE *fp)
 	    max--;
 	for (j = 0; j <= max; j++) {
 	    register KeySym ks = keymap[j];
-	    char *s;
+	    const char *s;
 	    if (ks != NoSymbol)
 		s = XKeysymToString (ks);
 	    else
diff --git a/app/xmodmap/handle.c b/app/xmodmap/handle.c
index d43da21db..3f05a46ad 100644
--- a/app/xmodmap/handle.c
+++ b/app/xmodmap/handle.c
@@ -1,4 +1,3 @@
-/* $Xorg: handle.c,v 1.6 2001/02/09 02:05:56 xorgcvs Exp $ */
 /*
 
 Copyright 1988, 1998  The Open Group
@@ -26,7 +25,6 @@ other dealings in this Software without prior written authorization
 from The Open Group.
 
 */
-/* $XFree86: xc/programs/xmodmap/handle.c,v 3.6 2001/07/25 15:05:27 dawes Exp $ */
 
 #include "config.h"
 #include <X11/Xos.h>
@@ -37,6 +35,10 @@ from The Open Group.
 #include "wq.h"
 #include <stdlib.h>
 
+#ifdef HAVE_STRNCASECMP
+#include <strings.h>
+#endif
+
 static XModifierKeymap *map = NULL;
 
 
@@ -84,17 +86,22 @@ copy_to_scratch(const char *s, int len)
     static char *buf = NULL;
     static int buflen = 0;
 
-    if (len > buflen) {
+    if (len < 0)
+        len = 0;
+
+    if (len >= buflen) {
 	if (buf) free (buf);
 	buflen = (len < 40) ? 80 : (len * 2);
 	buf = (char *) malloc (buflen+1);
+	if (!buf) {
+	    fprintf (stderr, "attempt to allocate %d byte scratch buffer\n", buflen + 1);
+	    return NULL;
+	}
     }
-    if (len > 0)
-      strncpy (buf, s, len);
-    else 
-      len = 0;
 
+    strncpy (buf, s, len);
     buf[len] = '\0';
+
     return (buf);
 }
 
@@ -137,7 +144,7 @@ static int skip_chars ( const char *s, int len );
 static int skip_space ( const char *s, int len );
 
 static struct dt {
-    char *command;			/* name of input command */
+    const char *command;		/* name of input command */
     int length;				/* length of command */
     void (*proc)(char *, int);		/* handler */
 } dispatch_table[] = {
@@ -270,7 +277,7 @@ add_to_work_queue(union op *p)	/* this can become a macro someday */
 static Bool 
 parse_number(const char *str, unsigned long *val)
 {
-    char *fmt = "%ld";
+    const char *fmt = "%ld";
 
     if (*str == '0') {
 	str++;
@@ -317,7 +324,7 @@ static void
 do_keycode(char *line, int len)
 {
     int dummy;
-    char *fmt = "%d";
+    const char *fmt = "%d";
     KeyCode keycode;
 
     if (len < 3 || !line || *line == '\0') {  /* 5=a minimum */
diff --git a/app/xmodmap/man/Makefile.in b/app/xmodmap/man/Makefile.in
index 86a141109..02d03f558 100644
--- a/app/xmodmap/man/Makefile.in
+++ b/app/xmodmap/man/Makefile.in
@@ -46,9 +46,9 @@ pkgincludedir = $(includedir)/@PACKAGE@
 top_builddir = ..
 am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
 INSTALL = @INSTALL@
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
+install_sh_DATA = ${SHELL} $(install_sh) -c -m 644
+install_sh_PROGRAM = ${SHELL} $(install_sh) -c
+install_sh_SCRIPT = ${SHELL} $(install_sh) -c
 INSTALL_HEADER = $(INSTALL_DATA)
 transform = $(program_transform_name)
 NORMAL_INSTALL = :
@@ -93,6 +93,7 @@ AUTOCONF = @AUTOCONF@
 AUTOHEADER = @AUTOHEADER@
 AUTOMAKE = @AUTOMAKE@
 AWK = @AWK@
+BASE_CFLAGS = @BASE_CFLAGS@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
 CFLAGS = @CFLAGS@
@@ -147,6 +148,7 @@ PKG_CONFIG = @PKG_CONFIG@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
+STRICT_CFLAGS = @STRICT_CFLAGS@
 STRIP = @STRIP@
 VERSION = @VERSION@
 XMODMAP_CFLAGS = @XMODMAP_CFLAGS@
diff --git a/app/xmodmap/man/xmodmap.man b/app/xmodmap/man/xmodmap.man
index 1c0d23ae7..f864e6e62 100644
--- a/app/xmodmap/man/xmodmap.man
+++ b/app/xmodmap/man/xmodmap.man
@@ -1,5 +1,3 @@
-.\" $Xorg: xmodmap.man,v 1.4 2001/02/09 02:05:56 xorgcvs Exp $
-.\"
 .\" Copyright (c) 1987, 2010, Oracle and/or its affiliates. All rights reserved.
 .\"
 .\" Permission is hereby granted, free of charge, to any person obtaining a
@@ -45,8 +43,6 @@
 .\" other dealings in this Software without prior written authorization
 .\" from The Open Group.
 .\" 
-.\" $XFree86: xc/programs/xmodmap/xmodmap.man,v 1.11 2002/10/12 16:06:48 herrb Exp $
-.\" 
 .de EX		\"Begin example
 .ne 5
 .if n .sp 1
@@ -102,7 +98,7 @@ This option turns off the verbose logging.  This is the default.
 This option indicates that 
 .I xmodmap
 should not change the mappings, but should display what it would do, like
-\fImake(1)\fP does when given this option.
+\fImake(__appmansuffix__)\fP does when given this option.
 .TP 8
 .B \-e \fIexpression\fB
 This option specifies an expression to be executed.  Any number of expressions
diff --git a/app/xmodmap/pf.c b/app/xmodmap/pf.c
index 99c20f7e0..0eb0f55c3 100644
--- a/app/xmodmap/pf.c
+++ b/app/xmodmap/pf.c
@@ -1,4 +1,3 @@
-/* $Xorg: pf.c,v 1.4 2001/02/09 02:05:56 xorgcvs Exp $ */
 /*
 
 Copyright 1988, 1998  The Open Group
@@ -31,14 +30,14 @@ from The Open Group.
 #include <X11/Xlib.h>
 #include <stdio.h>
 #include <ctype.h>
+#include <stdlib.h>
 #include "xmodmap.h"
 
 #define NOTINFILEFILENAME "commandline"
-char *inputFilename = NOTINFILEFILENAME;
+const char *inputFilename = NOTINFILEFILENAME;
 int lineno = 0;
 
-void process_file (filename)
-    char *filename;			/* NULL means use stdin */
+void process_file (const char *filename)	/* NULL means use stdin */
 {
     FILE *fp;
     char buffer[BUFSIZ];
@@ -80,28 +79,29 @@ void process_file (filename)
 }
 
 
-void process_line (buffer)
-    char *buffer;
+void process_line (const char *line)
 {
     int len;
     int i;
-    char *cp;
-
-    /* copy buffer since it may point to unwritable date */
-    len = strlen(buffer);
-    cp = chk_malloc(len + 1);
-    strcpy(cp, buffer);
-    buffer = cp;
+    char *cp, *buffer;
+
+    /* copy line to buffer since it may point to unwritable data */
+    len = strlen(line);
+    cp = buffer = strdup(line);
+    if (buffer == NULL) {
+	fprintf(stderr, "%s: Could not allocate %d bytes\n", ProgramName, len);
+	Exit(-1);
+    }
     
     for (i = 0; i < len; i++) {		/* look for blank lines */
 	register char c = buffer[i];
 	if (!(isspace(c) || c == '\n')) break;
     }
-    if (i == len) return;
+    if (i == len) goto done;
 
     cp = &buffer[i];
 
-    if (*cp == '!') return;		/* look for comments */
+    if (*cp == '!') goto done;		/* look for comments */
     len -= (cp - buffer);		/* adjust len by how much we skipped */
 
 					/* pipe through cpp */
@@ -119,4 +119,7 @@ void process_line (buffer)
 
     /* handle input */
     handle_line (cp, len);
+
+  done:
+    free(buffer);
 }
diff --git a/app/xmodmap/wq.h b/app/xmodmap/wq.h
index 3aab10fbf..58c062efa 100644
--- a/app/xmodmap/wq.h
+++ b/app/xmodmap/wq.h
@@ -1,4 +1,3 @@
-/* $Xorg: wq.h,v 1.4 2001/02/09 02:05:56 xorgcvs Exp $ */
 /*
 
 Copyright 1988, 1998  The Open Group
@@ -26,7 +25,6 @@ other dealings in this Software without prior written authorization
 from The Open Group.
 
 */
-/* $XFree86: xc/programs/xmodmap/wq.h,v 1.4 2001/01/17 23:46:21 dawes Exp $ */
 
 #ifndef _WQ_H
 #define _WQ_H
@@ -137,7 +135,7 @@ extern struct wq {
 
 
 extern struct modtab {
-    char *name;
+    const char *name;
     int length;
     int value;
 } modifier_table[];
diff --git a/app/xmodmap/xmodmap.c b/app/xmodmap/xmodmap.c
index c59f07b30..58a8e70fb 100644
--- a/app/xmodmap/xmodmap.c
+++ b/app/xmodmap/xmodmap.c
@@ -1,4 +1,3 @@
-/* $Xorg: xmodmap.c,v 1.4 2001/02/09 02:05:56 xorgcvs Exp $ */
 /*
 
 Copyright 1988, 1998  The Open Group
@@ -26,22 +25,23 @@ other dealings in this Software without prior written authorization
 from The Open Group.
 
 */
-/* $XFree86: xc/programs/xmodmap/xmodmap.c,v 1.8tsi Exp $ */
 
 #include <X11/Xos.h>
 #include <X11/Xlib.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>
+#include <stdarg.h>
 #include "xmodmap.h"
 
-char *ProgramName;
+const char *ProgramName;
 Display *dpy = NULL;
 int min_keycode, max_keycode;
 Bool verbose = False;
 Bool dontExecute = False;
 
-static void 
+void
+_X_NORETURN
 Exit(int status)
 {
     if (dpy) {
@@ -51,77 +51,107 @@ Exit(int status)
     exit (status);
 }
 
-void *
-chk_malloc(size_t n_bytes)
+static void _X_NORETURN
+FatalError(const char *message)
 {
-    void *buf = malloc(n_bytes);
-    if (!buf) {
-	fprintf(stderr, "%s: Could not allocate %d bytes\n", ProgramName, (int)n_bytes);
-	Exit(-1);
-    }
-    return buf;
+    fprintf(stderr, "%s: %s\n", ProgramName, message);
+    Exit(-1);
 }
 
-static char *help_message[] = {
-"\nwhere options include:",
-"    -display host:dpy            X server to use",
-"    -verbose, -quiet             turn logging on or off",
-"    -n                           don't execute changes, just show like make",
-"    -e expression                execute string",
-"    -pm                          print modifier map",
-"    -pk                          print keymap table",
-"    -pke                         print keymap table as expressions",
-"    -pp                          print pointer map",
-"    -grammar                     print out short help on allowable input",
-"    -                            read standard input",
-"",
-NULL};
+#ifndef HAVE_ASPRINTF
+/* sprintf variant found in newer libc's which allocates string to print to */
+static int _X_ATTRIBUTE_PRINTF(2,3)
+asprintf(char ** ret, const char *format, ...)
+{
+    char buf[256];
+    int len;
+    va_list ap;
+
+    va_start(ap, format);
+    len = vsnprintf(buf, sizeof(buf), format, ap);
+    va_end(ap);
+
+    if (len < 0)
+	return -1;
+
+    if (len < sizeof(buf))
+    {
+	*ret = strdup(buf);
+    }
+    else
+    {
+	*ret = malloc(len + 1); /* snprintf doesn't count trailing '\0' */
+	if (*ret != NULL)
+	{
+	    va_start(ap, format);
+	    len = vsnprintf(*ret, len + 1, format, ap);
+	    va_end(ap);
+	    if (len < 0) {
+		free(*ret);
+		*ret = NULL;
+	    }
+	}
+    }
+
+    if (*ret == NULL)
+	return -1;
+
+    return len;
+}
+#endif /* HAVE_ASPRINTF */
+
+static const char help_message[] = 
+"\nwhere options include:\n"
+"    -display host:dpy            X server to use\n"
+"    -verbose, -quiet             turn logging on or off\n"
+"    -n                           don't execute changes, just show like make\n"
+"    -e expression                execute string\n"
+"    -pm                          print modifier map\n"
+"    -pk                          print keymap table\n"
+"    -pke                         print keymap table as expressions\n"
+"    -pp                          print pointer map\n"
+"    -grammar                     print out short help on allowable input\n"
+"    -                            read standard input\n"
+"\n";
 
 
 static void 
+_X_NORETURN
 usage(void)
 {
-    char **cpp;
-
     fprintf (stderr, "usage:  %s [-options ...] [filename]\n", ProgramName);
-    for (cpp = help_message; *cpp; cpp++) {
-	fprintf (stderr, "%s\n", *cpp);
-    }
+    fprintf (stderr, "%s\n", help_message);
     Exit (1);
 }
 
-static char *grammar_message[] = {
-"    pointer = default              reset pointer buttons to default",
-"    pointer = NUMBER ...           set pointer button codes",
-"    keycode NUMBER = [KEYSYM ...]  map keycode to given keysyms",
-"    keysym KEYSYM = [KEYSYM ...]   look up keysym and do a keycode operation",
-"    clear MODIFIER                 remove all keys for this modifier",
-"    add MODIFIER = KEYSYM ...      add the keysyms to the modifier",
-"    remove MODIFIER = KEYSYM ...   remove the keysyms from the modifier",
-"",
-"where NUMBER is a decimal, octal, or hex constant; KEYSYM is a valid",
-"Key Symbol name; and MODIFIER is one of the eight modifier names:  Shift,",
-"Lock, Control, Mod1, Mod2, Mod3, Mod4, or Mod5.  Lines beginning with",
-"an exclamation mark (!) are taken as comments.  Case is significant except",
-"for MODIFIER names.",
-"",
-"Keysyms on the left hand side of the = sign are looked up before any changes",
-"are made; keysyms on the right are looked up after all of those on the left",
-"have been resolved.  This makes it possible to swap modifier keys.",
-"",
-NULL };
+static const char grammar_message[] = 
+"    pointer = default              reset pointer buttons to default\n"
+"    pointer = NUMBER ...           set pointer button codes\n"
+"    keycode NUMBER = [KEYSYM ...]  map keycode to given keysyms\n"
+"    keysym KEYSYM = [KEYSYM ...]   look up keysym and do a keycode operation\n"
+"    clear MODIFIER                 remove all keys for this modifier\n"
+"    add MODIFIER = KEYSYM ...      add the keysyms to the modifier\n"
+"    remove MODIFIER = KEYSYM ...   remove the keysyms from the modifier\n"
+"\n"
+"where NUMBER is a decimal, octal, or hex constant; KEYSYM is a valid\n"
+"Key Symbol name; and MODIFIER is one of the eight modifier names:  Shift,\n"
+"Lock, Control, Mod1, Mod2, Mod3, Mod4, or Mod5.  Lines beginning with\n"
+"an exclamation mark (!) are taken as comments.  Case is significant except\n"
+"for MODIFIER names.\n"
+"\n"
+"Keysyms on the left hand side of the = sign are looked up before any changes\n"
+"are made; keysyms on the right are looked up after all of those on the left\n"
+"have been resolved.  This makes it possible to swap modifier keys.\n"
+"\n";
 
 
 static void 
+_X_NORETURN
 grammar_usage(void)
 {
-    char **cpp;
-
     fprintf (stderr, "%s accepts the following input expressions:\n\n",
 	     ProgramName);
-    for (cpp = grammar_message; *cpp; cpp++) {
-	fprintf (stderr, "%s\n", *cpp);
-    }
+    fprintf (stderr, "%s\n", grammar_message);
     Exit (0);
 }
 
@@ -168,7 +198,6 @@ main(int argc, char *argv[])
      * the display being open.
      */
 
-    status = 0;
     for (i = 1; i < argc; i++) {
 	char *arg = argv[i];
 
@@ -257,11 +286,11 @@ main(int argc, char *argv[])
 		  char *cmd;
 		  didAnything = True;
 		  if (++i >= argc) usage ();
-		  cmd = chk_malloc (strlen ("remove control = ") + strlen (argv[i]) + 1);
-		  (void) sprintf (cmd, "remove %s = %s",
+		  if (asprintf (&cmd, "remove %s = %s",
 				  ((arg[1] == 's') ? "shift" :
 				   ((arg[1] == 'l') ? "lock" :
-				    "control")), argv[i]);
+				    "control")), argv[i]) == -1)
+		      FatalError("Could not allocate memory for remove cmd");
 		  process_line (cmd);
 		  continue;
 	      }
@@ -279,8 +308,8 @@ main(int argc, char *argv[])
 		  char *cmd;
 		  didAnything = True;
 		  if (++i >= argc) usage ();
-		  cmd = chk_malloc (strlen ("add modX = ") + strlen (argv[i]) + 1);
-		  (void) sprintf (cmd, "add mod%c = %s", arg[1], argv[i]);
+		  if (asprintf (&cmd, "add mod%c = %s", arg[1], argv[i]) == -1)
+		      FatalError("Could not allocate memory for add cmd");
 		  process_line (cmd);
 		  continue;
 	      }
@@ -295,11 +324,11 @@ main(int argc, char *argv[])
 		  char *cmd;
 		  didAnything = True;
 		  if (++i >= argc) usage ();
-		  cmd = chk_malloc (strlen ("add control = ") + strlen (argv[i]) + 1);
-		  (void) sprintf (cmd, "add %s = %s",
+		  if (asprintf (&cmd, "add %s = %s",
 				  ((arg[1] == 's') ? "shift" :
 				   ((arg[1] == 'l') ? "lock" :
-				    "control")), argv[i]);
+				    "control")), argv[i]) == -1)
+		      FatalError("Could not allocate memory for remove cmd");
 		  process_line (cmd);
 		  continue;
 	      }
diff --git a/app/xmodmap/xmodmap.h b/app/xmodmap/xmodmap.h
index d52ef5e7f..686ee1b29 100644
--- a/app/xmodmap/xmodmap.h
+++ b/app/xmodmap/xmodmap.h
@@ -1,4 +1,3 @@
-/* $Xorg: xmodmap.h,v 1.4 2001/02/09 02:05:56 xorgcvs Exp $ */
 /*
 
 Copyright 1988, 1998  The Open Group
@@ -26,20 +25,23 @@ other dealings in this Software without prior written authorization
 from The Open Group.
 
 */
-/* $XFree86: xc/programs/xmodmap/xmodmap.h,v 1.4 2001/01/17 23:46:21 dawes Exp $ */
 
-extern char *ProgramName;
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+extern const char *ProgramName;
 extern Display *dpy;
 extern int min_keycode, max_keycode;
 extern Bool verbose;
 extern Bool dontExecute;
-extern char *inputFilename;
+extern const char *inputFilename;
 extern int lineno;
 extern int parse_errors;
 
 extern void initialize_map(void);
-extern void process_file(char *filename);
-extern void process_line(char *buffer);
+extern void process_file(const char *filename);
+extern void process_line(const char *buffer);
 extern void handle_line(char *line, int len);
 extern void print_work_queue(void);
 extern int execute_work_queue(void);
@@ -57,4 +59,4 @@ extern void PrintKeyTable(Bool exprs, FILE *fp);
 extern void PrintPointerMap(FILE *fp);
 extern int SetPointerMap(unsigned char *map, int n);
 
-extern void *chk_malloc(size_t n_bytes);
+extern void _X_NORETURN Exit(int status);