diff options
Diffstat (limited to 'app/xcalc/aclocal.m4')
| -rw-r--r-- | app/xcalc/aclocal.m4 | 1472 |
1 files changed, 1171 insertions, 301 deletions
diff --git a/app/xcalc/aclocal.m4 b/app/xcalc/aclocal.m4 index d24c77a27..342604fe9 100644 --- a/app/xcalc/aclocal.m4 +++ b/app/xcalc/aclocal.m4 @@ -1,7 +1,7 @@ -# generated automatically by aclocal 1.9.6 -*- Autoconf -*- +# generated automatically by aclocal 1.12.6 -*- Autoconf -*- + +# Copyright (C) 1996-2012 Free Software Foundation, Inc. -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, -# 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. @@ -11,6 +11,14 @@ # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, +[m4_warning([this file was generated for autoconf 2.69. +You have another version of autoconf. It may work, but is not guaranteed to. +If you have problems, you may need to regenerate the build system entirely. +To do so, use the procedure documented by the package, typically 'autoreconf'.])]) + # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- # # Copyright © 2004 Scott James Remnant <scott@netsplit.com>. @@ -169,7 +177,7 @@ else fi[]dnl ])# PKG_CHECK_MODULES -# Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. +# Copyright (C) 2002-2012 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -179,26 +187,43 @@ fi[]dnl # ---------------------------- # Automake X.Y traces this macro to ensure aclocal.m4 has been # generated from the m4 files accompanying Automake X.Y. -AC_DEFUN([AM_AUTOMAKE_VERSION], [am__api_version="1.9"]) +# (This private macro should not be called outside this file.) +AC_DEFUN([AM_AUTOMAKE_VERSION], +[am__api_version='1.12' +dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to +dnl require some minimum version. Point them to the right macro. +m4_if([$1], [1.12.6], [], + [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl +]) + +# _AM_AUTOCONF_VERSION(VERSION) +# ----------------------------- +# aclocal traces this macro to find the Autoconf version. +# This is a private macro too. Using m4_define simplifies +# the logic in aclocal, which can simply ignore this definition. +m4_define([_AM_AUTOCONF_VERSION], []) # AM_SET_CURRENT_AUTOMAKE_VERSION # ------------------------------- -# Call AM_AUTOMAKE_VERSION so it can be traced. -# This function is AC_REQUIREd by AC_INIT_AUTOMAKE. +# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced. +# This function is AC_REQUIREd by AM_INIT_AUTOMAKE. AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION], - [AM_AUTOMAKE_VERSION([1.9.6])]) +[AM_AUTOMAKE_VERSION([1.12.6])dnl +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))]) # AM_AUX_DIR_EXPAND -*- Autoconf -*- -# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc. +# Copyright (C) 2001-2012 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. # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets -# $ac_aux_dir to `$srcdir/foo'. In other projects, it is set to -# `$srcdir', `$srcdir/..', or `$srcdir/../..'. +# $ac_aux_dir to '$srcdir/foo'. In other projects, it is set to +# '$srcdir', '$srcdir/..', or '$srcdir/../..'. # # Of course, Automake must honor this variable whenever it calls a # tool from the auxiliary directory. The problem is that $srcdir (and @@ -217,7 +242,7 @@ AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION], # # The reason of the latter failure is that $top_srcdir and $ac_aux_dir # are both prefixed by $srcdir. In an in-source build this is usually -# harmless because $srcdir is `.', but things will broke when you +# harmless because $srcdir is '.', but things will broke when you # start a VPATH build or use an absolute $srcdir. # # So we could use something similar to $top_srcdir/$ac_aux_dir/missing, @@ -243,24 +268,24 @@ am_aux_dir=`cd $ac_aux_dir && pwd` # AM_CONDITIONAL -*- Autoconf -*- -# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005 -# Free Software Foundation, Inc. +# Copyright (C) 1997-2012 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 7 - # AM_CONDITIONAL(NAME, SHELL-CONDITION) # ------------------------------------- # Define a conditional. AC_DEFUN([AM_CONDITIONAL], -[AC_PREREQ(2.52)dnl - ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])], - [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl -AC_SUBST([$1_TRUE]) -AC_SUBST([$1_FALSE]) +[AC_PREREQ([2.52])dnl + m4_if([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])], + [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl +AC_SUBST([$1_TRUE])dnl +AC_SUBST([$1_FALSE])dnl +_AM_SUBST_NOTMAKE([$1_TRUE])dnl +_AM_SUBST_NOTMAKE([$1_FALSE])dnl +m4_define([_AM_COND_VALUE_$1], [$2])dnl if $2; then $1_TRUE= $1_FALSE='#' @@ -274,17 +299,14 @@ AC_CONFIG_COMMANDS_PRE( Usually this means the macro was only invoked conditionally.]]) fi])]) - -# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 -# Free Software Foundation, Inc. +# Copyright (C) 1999-2012 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 -# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be +# There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be # written in clear, in which case automake, when reading aclocal.m4, # will think it sees a *use*, and therefore will trigger all it's # C support machinery. Also note that it means that autoscan, seeing @@ -294,7 +316,7 @@ fi])]) # _AM_DEPENDENCIES(NAME) # ---------------------- # See how the compiler implements dependency checking. -# NAME is "CC", "CXX", "GCJ", or "OBJC". +# NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC". # We try a few techniques and use that to set a single cache variable. # # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was @@ -307,11 +329,13 @@ AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl AC_REQUIRE([AM_MAKE_INCLUDE])dnl AC_REQUIRE([AM_DEP_TRACK])dnl -ifelse([$1], CC, [depcc="$CC" am_compiler_list=], - [$1], CXX, [depcc="$CXX" am_compiler_list=], - [$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'], - [$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'], - [depcc="$$1" am_compiler_list=]) +m4_if([$1], [CC], [depcc="$CC" am_compiler_list=], + [$1], [CXX], [depcc="$CXX" am_compiler_list=], + [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'], + [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'], + [$1], [UPC], [depcc="$UPC" am_compiler_list=], + [$1], [GCJ], [depcc="$GCJ" am_compiler_list='gcc3 gcc'], + [depcc="$$1" am_compiler_list=]) AC_CACHE_CHECK([dependency style of $depcc], [am_cv_$1_dependencies_compiler_type], @@ -319,8 +343,9 @@ AC_CACHE_CHECK([dependency style of $depcc], # We make a subdir and do the tests there. Otherwise we can end up # making bogus files that we don't know about and never remove. For # instance it was reported that on HP-UX the gcc test will end up - # making a dummy file named `D' -- because `-MD' means `put the output - # in D'. + # making a dummy file named 'D' -- because '-MD' means "put the output + # in D". + rm -rf conftest.dir mkdir conftest.dir # Copy depcomp to subdir because otherwise we won't find it if we're # using a relative directory. @@ -338,6 +363,16 @@ AC_CACHE_CHECK([dependency style of $depcc], if test "$am_compiler_list" = ""; then am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp` fi + am__universal=false + m4_case([$1], [CC], + [case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac], + [CXX], + [case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac]) + for depmode in $am_compiler_list; do # Setup a source with many dependencies, because some compilers # like to wrap large dependency lists on column 80 (with \), and @@ -349,34 +384,49 @@ AC_CACHE_CHECK([dependency style of $depcc], : > sub/conftest.c for i in 1 2 3 4 5 6; do echo '#include "conftst'$i'.h"' >> sub/conftest.c - # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with - # Solaris 8's {/usr,}/bin/sh. - touch sub/conftst$i.h + # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with + # Solaris 10 /bin/sh. + echo '/* dummy */' > sub/conftst$i.h done echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + # We check with '-c' and '-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle '-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs. + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; nosideeffect) - # after this tag, mechanisms are not by side-effect, so they'll - # only be used when explicitly requested + # After this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested. if test "x$enable_dependency_tracking" = xyes; then continue else break fi ;; + msvc7 | msvc7msys | msvisualcpp | msvcmsys) + # This compiler won't grok '-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; none) break ;; esac - # We check with `-c' and `-o' for the sake of the "dashmstdout" - # mode. It turns out that the SunPro C++ compiler does not properly - # handle `-M -o', and we need to detect this. if depmode=$depmode \ - source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \ + source=sub/conftest.c object=$am__obj \ depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ - $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && - grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && ${MAKE-make} -s -f confmf > /dev/null 2>&1; then # icc doesn't choke on unknown options, it will just issue warnings # or remarks (even with -Werror). 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AC_DEFUN([AM_SET_DEPDIR], [AC_REQUIRE([AM_SET_LEADING_DOT])dnl AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl @@ -419,69 +469,85 @@ AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl # AM_DEP_TRACK # ------------ AC_DEFUN([AM_DEP_TRACK], -[AC_ARG_ENABLE(dependency-tracking, -[ --disable-dependency-tracking speeds up one-time build - --enable-dependency-tracking do not reject slow dependency extractors]) +[AC_ARG_ENABLE([dependency-tracking], [dnl +AS_HELP_STRING( + [--enable-dependency-tracking], + [do not reject slow dependency extractors]) +AS_HELP_STRING( + [--disable-dependency-tracking], + [speeds up one-time build])]) if test "x$enable_dependency_tracking" != xno; then am_depcomp="$ac_aux_dir/depcomp" AMDEPBACKSLASH='\' + am__nodep='_no' fi AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno]) -AC_SUBST([AMDEPBACKSLASH]) +AC_SUBST([AMDEPBACKSLASH])dnl +_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl +AC_SUBST([am__nodep])dnl +_AM_SUBST_NOTMAKE([am__nodep])dnl ]) # Generate code to set up dependency tracking. -*- Autoconf -*- -# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 -# Free Software Foundation, Inc. +# Copyright (C) 1999-2012 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 3 # _AM_OUTPUT_DEPENDENCY_COMMANDS # ------------------------------ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS], -[for mf in $CONFIG_FILES; do - # Strip MF so we end up with the name of the file. - mf=`echo "$mf" | sed -e 's/:.*$//'` - # Check whether this is an Automake generated Makefile or not. - # We used to match only the files named `Makefile.in', but - # some people rename them; so instead we look at the file content. - # Grep'ing the first line is not enough: some people post-process - # each Makefile.in and add a new line on top of each file to say so. - # So let's grep whole file. - if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then - dirpart=`AS_DIRNAME("$mf")` - else - continue - fi - # Extract the definition of DEPDIR, am__include, and am__quote - # from the Makefile without running `make'. - DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"` - test -z "$DEPDIR" && continue - am__include=`sed -n 's/^am__include = //p' < "$mf"` - test -z "am__include" && continue - am__quote=`sed -n 's/^am__quote = //p' < "$mf"` - # When using ansi2knr, U may be empty or an underscore; expand it - U=`sed -n 's/^U = //p' < "$mf"` - # Find all dependency output files, they are included files with - # $(DEPDIR) in their names. 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We invoke sed twice because it is the + # simplest approach to changing $(DEPDIR) to its actual value in the + # expansion. + for file in `sed -n " + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \ + sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do + # Make sure the directory exists. + test -f "$dirpart/$file" && continue + fdir=`AS_DIRNAME(["$file"])` + AS_MKDIR_P([$dirpart/$fdir]) + # echo "creating $dirpart/$file" + echo '# dummy' > "$dirpart/$file" + done done -done +} ])# _AM_OUTPUT_DEPENDENCY_COMMANDS @@ -490,7 +556,7 @@ done # This macro should only be invoked once -- use via AC_REQUIRE. # # This code is only required when automatic dependency tracking -# is enabled. FIXME. This creates each `.P' file that we will +# is enabled. FIXME. This creates each '.P' file that we will # need in order to bootstrap the dependency handling code. AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS], [AC_CONFIG_COMMANDS([depfiles], @@ -500,15 +566,12 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS], # Do all the work for Automake. -*- Autoconf -*- -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 -# Free Software Foundation, Inc. +# Copyright (C) 1996-2012 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 12 - # This macro actually does too much. Some checks are only needed if # your package does certain things. But this isn't really a big deal. @@ -524,16 +587,20 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS], # arguments mandatory, and then we can depend on a new Autoconf # release and drop the old call support. AC_DEFUN([AM_INIT_AUTOMAKE], -[AC_PREREQ([2.58])dnl +[AC_PREREQ([2.62])dnl dnl Autoconf wants to disallow AM_ names. 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AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([AC_PROG_MAKE_SET])dnl AC_REQUIRE([AM_SET_LEADING_DOT])dnl _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])], - [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])], - [_AM_PROG_TAR([v7])])]) + [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])], + [_AM_PROG_TAR([v7])])]) _AM_IF_OPTION([no-dependencies],, [AC_PROVIDE_IFELSE([AC_PROG_CC], - [_AM_DEPENDENCIES(CC)], - [define([AC_PROG_CC], - defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl + [_AM_DEPENDENCIES([CC])], + [m4_define([AC_PROG_CC], + m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl AC_PROVIDE_IFELSE([AC_PROG_CXX], - [_AM_DEPENDENCIES(CXX)], - [define([AC_PROG_CXX], - defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl + [_AM_DEPENDENCIES([CXX])], + [m4_define([AC_PROG_CXX], + m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl +AC_PROVIDE_IFELSE([AC_PROG_OBJC], + [_AM_DEPENDENCIES([OBJC])], + [m4_define([AC_PROG_OBJC], + m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl +dnl Support for Objective C++ was only introduced in Autoconf 2.65, +dnl but we still cater to Autoconf 2.62. +m4_ifdef([AC_PROG_OBJCXX], +[AC_PROVIDE_IFELSE([AC_PROG_OBJCXX], + [_AM_DEPENDENCIES([OBJCXX])], + [m4_define([AC_PROG_OBJCXX], + m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])])dnl ]) +_AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl +dnl The 'parallel-tests' driver may need to know about EXEEXT, so add the +dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This macro +dnl is hooked onto _AC_COMPILER_EXEEXT early, see below. +AC_CONFIG_COMMANDS_PRE(dnl +[m4_provide_if([_AM_COMPILER_EXEEXT], + [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl ]) +dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not +dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further +dnl mangled by Autoconf and run in a shell conditional statement. +m4_define([_AC_COMPILER_EXEEXT], +m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])]) + # When config.status generates a header, we must update the stamp-h file. # This file resides in the same directory as the config header @@ -601,18 +705,19 @@ AC_PROVIDE_IFELSE([AC_PROG_CXX], # our stamp files there. AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK], [# Compute $1's index in $config_headers. +_am_arg=$1 _am_stamp_count=1 for _am_header in $config_headers :; do case $_am_header in - $1 | $1:* ) + $_am_arg | $_am_arg:* ) break ;; * ) _am_stamp_count=`expr $_am_stamp_count + 1` ;; esac done -echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count]) +echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count]) -# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc. +# Copyright (C) 2001-2012 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -623,17 +728,22 @@ echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count]) # Define $install_sh. AC_DEFUN([AM_PROG_INSTALL_SH], [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl -install_sh=${install_sh-"$am_aux_dir/install-sh"} -AC_SUBST(install_sh)]) +if test x"${install_sh}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; + *) + install_sh="\${SHELL} $am_aux_dir/install-sh" + esac +fi +AC_SUBST([install_sh])]) -# Copyright (C) 2003, 2005 Free Software Foundation, Inc. +# Copyright (C) 2003-2012 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. -# serial 2 - # Check whether the underlying file-system supports filenames # with a leading dot. For instance MS-DOS doesn't. AC_DEFUN([AM_SET_LEADING_DOT], @@ -650,27 +760,36 @@ AC_SUBST([am__leading_dot])]) # Add --enable-maintainer-mode option to configure. -*- Autoconf -*- # From Jim Meyering -# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005 -# Free Software Foundation, Inc. +# Copyright (C) 1996-2012 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. -# serial 4 - +# AM_MAINTAINER_MODE([DEFAULT-MODE]) +# ---------------------------------- +# Control maintainer-specific portions of Makefiles. +# Default is to disable them, unless 'enable' is passed literally. +# For symmetry, 'disable' may be passed as well. Anyway, the user +# can override the default with the --enable/--disable switch. AC_DEFUN([AM_MAINTAINER_MODE], -[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) - dnl maintainer-mode is disabled by default - AC_ARG_ENABLE(maintainer-mode, -[ --enable-maintainer-mode enable make rules and dependencies not useful - (and sometimes confusing) to the casual installer], - USE_MAINTAINER_MODE=$enableval, - USE_MAINTAINER_MODE=no) +[m4_case(m4_default([$1], [disable]), + [enable], [m4_define([am_maintainer_other], [disable])], + [disable], [m4_define([am_maintainer_other], [enable])], + [m4_define([am_maintainer_other], [enable]) + m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])]) +AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) + dnl maintainer-mode's default is 'disable' unless 'enable' is passed + AC_ARG_ENABLE([maintainer-mode], + [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode], + am_maintainer_other[ make rules and dependencies not useful + (and sometimes confusing) to the casual installer])], + [USE_MAINTAINER_MODE=$enableval], + [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes])) AC_MSG_RESULT([$USE_MAINTAINER_MODE]) - AM_CONDITIONAL(MAINTAINER_MODE, [test $USE_MAINTAINER_MODE = yes]) + AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes]) MAINT=$MAINTAINER_MODE_TRUE - AC_SUBST(MAINT)dnl + AC_SUBST([MAINT])dnl ] ) @@ -678,14 +797,12 @@ AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE]) # Check to see how 'make' treats includes. -*- Autoconf -*- -# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc. +# Copyright (C) 2001-2012 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 3 - # AM_MAKE_INCLUDE() # ----------------- # Check to see how make treats includes. @@ -693,7 +810,7 @@ AC_DEFUN([AM_MAKE_INCLUDE], [am_make=${MAKE-make} cat > confinc << 'END' am__doit: - @echo done + @echo this is the am__doit target .PHONY: am__doit END # If we don't find an include directive, just comment out the code. @@ -703,24 +820,24 @@ am__quote= _am_result=none # First try GNU make style include. echo "include confinc" > confmf -# We grep out `Entering directory' and `Leaving directory' -# messages which can occur if `w' ends up in MAKEFLAGS. -# In particular we don't look at `^make:' because GNU make might -# be invoked under some other name (usually "gmake"), in which -# case it prints its new name instead of `make'. -if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then - am__include=include - am__quote= - _am_result=GNU -fi +# Ignore all kinds of additional output from 'make'. +case `$am_make -s -f confmf 2> /dev/null` in #( +*the\ am__doit\ target*) + am__include=include + am__quote= + _am_result=GNU + ;; +esac # Now try BSD make style include. if test "$am__include" = "#"; then echo '.include "confinc"' > confmf - if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then - am__include=.include - am__quote="\"" - _am_result=BSD - fi + case `$am_make -s -f confmf 2> /dev/null` in #( + *the\ am__doit\ target*) + am__include=.include + am__quote="\"" + _am_result=BSD + ;; + esac fi AC_SUBST([am__include]) AC_SUBST([am__quote]) @@ -730,15 +847,12 @@ rm -f confinc confmf # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*- -# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2005 -# Free Software Foundation, Inc. +# Copyright (C) 1997-2012 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 4 - # AM_MISSING_PROG(NAME, PROGRAM) # ------------------------------ AC_DEFUN([AM_MISSING_PROG], @@ -746,112 +860,54 @@ AC_DEFUN([AM_MISSING_PROG], $1=${$1-"${am_missing_run}$2"} AC_SUBST($1)]) - # AM_MISSING_HAS_RUN # ------------------ # Define MISSING if not defined so far and test if it supports --run. # If it does, set am_missing_run to use it, otherwise, to nothing. AC_DEFUN([AM_MISSING_HAS_RUN], [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl -test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing" +AC_REQUIRE_AUX_FILE([missing])dnl +if test x"${MISSING+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;; + *) + MISSING="\${SHELL} $am_aux_dir/missing" ;; + esac +fi # Use eval to expand $SHELL if eval "$MISSING --run true"; then am_missing_run="$MISSING --run " else am_missing_run= - AC_MSG_WARN([`missing' script is too old or missing]) + AC_MSG_WARN(['missing' script is too old or missing]) fi ]) -# Copyright (C) 2003, 2004, 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. - -# AM_PROG_MKDIR_P -# --------------- -# Check whether `mkdir -p' is supported, fallback to mkinstalldirs otherwise. -# -# Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories -# created by `make install' are always world readable, even if the -# installer happens to have an overly restrictive umask (e.g. 077). -# This was a mistake. There are at least two reasons why we must not -# use `-m 0755': -# - it causes special bits like SGID to be ignored, -# - it may be too restrictive (some setups expect 775 directories). -# -# Do not use -m 0755 and let people choose whatever they expect by -# setting umask. -# -# We cannot accept any implementation of `mkdir' that recognizes `-p'. -# Some implementations (such as Solaris 8's) are not thread-safe: if a -# parallel make tries to run `mkdir -p a/b' and `mkdir -p a/c' -# concurrently, both version can detect that a/ is missing, but only -# one can create it and the other will error out. Consequently we -# restrict ourselves to GNU make (using the --version option ensures -# this.) -AC_DEFUN([AM_PROG_MKDIR_P], -[if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then - # We used to keeping the `.' as first argument, in order to - # allow $(mkdir_p) to be used without argument. As in - # $(mkdir_p) $(somedir) - # where $(somedir) is conditionally defined. However this is wrong - # for two reasons: - # 1. if the package is installed by a user who cannot write `.' - # make install will fail, - # 2. the above comment should most certainly read - # $(mkdir_p) $(DESTDIR)$(somedir) - # so it does not work when $(somedir) is undefined and - # $(DESTDIR) is not. - # To support the latter case, we have to write - # test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir), - # so the `.' trick is pointless. - mkdir_p='mkdir -p --' -else - # On NextStep and OpenStep, the `mkdir' command does not - # recognize any option. It will interpret all options as - # directories to create, and then abort because `.' already - # exists. - for d in ./-p ./--version; - do - test -d $d && rmdir $d - done - # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists. - if test -f "$ac_aux_dir/mkinstalldirs"; then - mkdir_p='$(mkinstalldirs)' - else - mkdir_p='$(SHELL) $(install_sh) -d' - fi -fi -AC_SUBST([mkdir_p])]) - # Helper functions for option handling. -*- Autoconf -*- -# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc. +# Copyright (C) 2001-2012 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 3 - # _AM_MANGLE_OPTION(NAME) # ----------------------- AC_DEFUN([_AM_MANGLE_OPTION], [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])]) # _AM_SET_OPTION(NAME) -# ------------------------------ +# -------------------- # Set option NAME. Presently that only means defining a flag for this option. AC_DEFUN([_AM_SET_OPTION], -[m4_define(_AM_MANGLE_OPTION([$1]), 1)]) +[m4_define(_AM_MANGLE_OPTION([$1]), [1])]) # _AM_SET_OPTIONS(OPTIONS) -# ---------------------------------- +# ------------------------ # OPTIONS is a space-separated list of Automake options. AC_DEFUN([_AM_SET_OPTIONS], -[AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])]) +[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])]) # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET]) # ------------------------------------------- @@ -859,7 +915,150 @@ AC_DEFUN([_AM_SET_OPTIONS], AC_DEFUN([_AM_IF_OPTION], [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])]) -# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc. +# Check to make sure that the build environment is sane. -*- Autoconf -*- + +# Copyright (C) 1996-2012 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. + +# AM_SANITY_CHECK +# --------------- +AC_DEFUN([AM_SANITY_CHECK], +[AC_MSG_CHECKING([whether build environment is sane]) +# Reject unsafe characters in $srcdir or the absolute working directory +# name. Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[[\\\"\#\$\&\'\`$am_lf]]*) + AC_MSG_ERROR([unsafe absolute working directory name]);; +esac +case $srcdir in + *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*) + AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);; +esac + +# Do 'set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + am_has_slept=no + for am_try in 1 2; do + echo "timestamp, slept: $am_has_slept" > conftest.file + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$[*]" = "X"; then + # -L didn't work. + set X `ls -t "$srcdir/configure" conftest.file` + fi + if test "$[*]" != "X $srcdir/configure conftest.file" \ + && test "$[*]" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken + alias in your environment]) + fi + if test "$[2]" = conftest.file || test $am_try -eq 2; then + break + fi + # Just in case. + sleep 1 + am_has_slept=yes + done + test "$[2]" = conftest.file + ) +then + # Ok. + : +else + AC_MSG_ERROR([newly created file is older than distributed files! +Check your system clock]) +fi +AC_MSG_RESULT([yes]) +# If we didn't sleep, we still need to ensure time stamps of config.status and +# generated files are strictly newer. +am_sleep_pid= +if grep 'slept: no' conftest.file >/dev/null 2>&1; then + ( sleep 1 ) & + am_sleep_pid=$! +fi +AC_CONFIG_COMMANDS_PRE( + [AC_MSG_CHECKING([that generated files are newer than configure]) + if test -n "$am_sleep_pid"; then + # Hide warnings about reused PIDs. + wait $am_sleep_pid 2>/dev/null + fi + AC_MSG_RESULT([done])]) +rm -f conftest.file +]) + +# Copyright (C) 2009-2012 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. + +# AM_SILENT_RULES([DEFAULT]) +# -------------------------- +# Enable less verbose build rules; with the default set to DEFAULT +# ("yes" being less verbose, "no" or empty being verbose). +AC_DEFUN([AM_SILENT_RULES], +[AC_ARG_ENABLE([silent-rules], [dnl +AS_HELP_STRING( + [--enable-silent-rules], + [less verbose build output (undo: "make V=1")]) +AS_HELP_STRING( + [--disable-silent-rules], + [verbose build output (undo: "make V=0")])dnl +]) +case $enable_silent_rules in @%:@ ((( + yes) AM_DEFAULT_VERBOSITY=0;; + no) AM_DEFAULT_VERBOSITY=1;; + *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);; +esac +dnl +dnl A few 'make' implementations (e.g., NonStop OS and NextStep) +dnl do not support nested variable expansions. +dnl See automake bug#9928 and bug#10237. +am_make=${MAKE-make} +AC_CACHE_CHECK([whether $am_make supports nested variables], + [am_cv_make_support_nested_variables], + [if AS_ECHO([['TRUE=$(BAR$(V)) +BAR0=false +BAR1=true +V=1 +am__doit: + @$(TRUE) +.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then + am_cv_make_support_nested_variables=yes +else + am_cv_make_support_nested_variables=no +fi]) +if test $am_cv_make_support_nested_variables = yes; then + dnl Using '$V' instead of '$(V)' breaks IRIX make. + AM_V='$(V)' + AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' +else + AM_V=$AM_DEFAULT_VERBOSITY + AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY +fi +AC_SUBST([AM_V])dnl +AM_SUBST_NOTMAKE([AM_V])dnl +AC_SUBST([AM_DEFAULT_V])dnl +AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl +AC_SUBST([AM_DEFAULT_VERBOSITY])dnl +AM_BACKSLASH='\' +AC_SUBST([AM_BACKSLASH])dnl +_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl +]) + +# Copyright (C) 2001-2012 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -867,40 +1066,55 @@ AC_DEFUN([_AM_IF_OPTION], # AM_PROG_INSTALL_STRIP # --------------------- -# One issue with vendor `install' (even GNU) is that you can't +# One issue with vendor 'install' (even GNU) is that you can't # specify the program used to strip binaries. This is especially # annoying in cross-compiling environments, where the build's strip # is unlikely to handle the host's binaries. # Fortunately install-sh will honor a STRIPPROG variable, so we -# always use install-sh in `make install-strip', and initialize +# always use install-sh in "make install-strip", and initialize # STRIPPROG with the value of the STRIP variable (set by the user). AC_DEFUN([AM_PROG_INSTALL_STRIP], [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl -# Installed binaries are usually stripped using `strip' when the user -# run `make install-strip'. However `strip' might not be the right +# Installed binaries are usually stripped using 'strip' when the user +# run "make install-strip". However 'strip' might not be the right # tool to use in cross-compilation environments, therefore Automake -# will honor the `STRIP' environment variable to overrule this program. -dnl Don't test for $cross_compiling = yes, because it might be `maybe'. +# will honor the 'STRIP' environment variable to overrule this program. +dnl Don't test for $cross_compiling = yes, because it might be 'maybe'. if test "$cross_compiling" != no; then AC_CHECK_TOOL([STRIP], [strip], :) fi -INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s" +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" AC_SUBST([INSTALL_STRIP_PROGRAM])]) +# Copyright (C) 2006-2012 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. + +# _AM_SUBST_NOTMAKE(VARIABLE) +# --------------------------- +# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in. +# This macro is traced by Automake. +AC_DEFUN([_AM_SUBST_NOTMAKE]) + +# AM_SUBST_NOTMAKE(VARIABLE) +# -------------------------- +# Public sister of _AM_SUBST_NOTMAKE. +AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) + # Check how to create a tarball. -*- Autoconf -*- -# Copyright (C) 2004, 2005 Free Software Foundation, Inc. +# Copyright (C) 2004-2012 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 2 - # _AM_PROG_TAR(FORMAT) # -------------------- # Check how to create a tarball in format FORMAT. -# FORMAT should be one of `v7', `ustar', or `pax'. +# FORMAT should be one of 'v7', 'ustar', or 'pax'. # # Substitute a variable $(am__tar) that is a command # writing to stdout a FORMAT-tarball containing the directory @@ -911,10 +1125,11 @@ AC_SUBST([INSTALL_STRIP_PROGRAM])]) # a tarball read from stdin. # $(am__untar) < result.tar AC_DEFUN([_AM_PROG_TAR], -[# Always define AMTAR for backward compatibility. -AM_MISSING_PROG([AMTAR], [tar]) +[# Always define AMTAR for backward compatibility. Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AC_SUBST([AMTAR], ['$${TAR-tar}']) m4_if([$1], [v7], - [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'], + [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], [m4_case([$1], [ustar],, [pax],, [m4_fatal([Unknown tar format])]) AC_MSG_CHECKING([how to create a $1 tar archive]) @@ -922,7 +1137,7 @@ AC_MSG_CHECKING([how to create a $1 tar archive]) _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' _am_tools=${am_cv_prog_tar_$1-$_am_tools} # Do not fold the above two line into one, because Tru64 sh and -# Solaris sh will not grok spaces in the rhs of `-'. +# Solaris sh will not grok spaces in the rhs of '-'. for _am_tool in $_am_tools do case $_am_tool in @@ -1022,7 +1237,7 @@ 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], [1.17]) 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,, @@ -1049,7 +1264,7 @@ 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 @@ -1067,7 +1282,7 @@ 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 @@ -1417,6 +1632,123 @@ 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 @@ -1662,10 +1994,11 @@ 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 @@ -1685,7 +2018,7 @@ 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[)]), @@ -1714,6 +2047,22 @@ 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 @@ -1796,12 +2145,12 @@ 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]) @@ -1873,6 +2222,288 @@ 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 @@ -1889,18 +2520,16 @@ 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]) @@ -2026,59 +2655,299 @@ 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]) + +# 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 @@ -2089,6 +2958,7 @@ AC_SUBST([CWARNFLAGS]) # AC_DEFUN([XORG_DEFAULT_OPTIONS], [ AC_REQUIRE([AC_PROG_INSTALL]) +XORG_COMPILER_FLAGS XORG_CWARNFLAGS XORG_STRICT_OPTION XORG_RELEASE_VERSION |