From bd48f668b3c8d5de53e42b73ef4e4136d384672d Mon Sep 17 00:00:00 2001
From: Alan Coopersmith <Alan.Coopersmith@sun.com>
Date: Thu, 22 Sep 2005 01:40:07 +0000
Subject: Set needed flags for MT-safe API's called from libXau

---
 ChangeLog    |  5 +++++
 configure.ac | 18 ++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 0f38579..6d51b0d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2005-09-21  Alan Coopersmith  <alan.coopersmith@sun.com>
+
+	* configure.ac: 
+	Set needed flags for MT-safe API's called from libXau
+
 2005-07-08  Keith Packard  <keithp@keithp.com>
 
 	* .cvsignore:
diff --git a/configure.ac b/configure.ac
index a497beb..a5ec7d7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -44,6 +44,24 @@ AC_SUBST(XAU_LIBS)
 kerberos=false
 AM_CONDITIONAL(KERBEROS, test x$kerberos = xtrue)
 
+AC_ARG_ENABLE(xthreads,
+              AC_HELP_STRING([--disable-xthreads],
+                [Disable libXau support for Multithreading]),
+              [xthreads=$enableval],[xthreads=yes])
+
+if test "x$xthreads" = "xyes" ; then
+    AC_DEFINE(XTHREADS,1,[Whether libXau is compiled with thread support])
+    AC_CHECK_LIB(c, gethostbyname_r, AC_DEFINE(XUSE_MTSAFE_API,1,
+			[Whether libXau needs to use MT safe API's]))
+
+dnl XXX incomplete, please fill this in
+    case $host_os in
+    solaris*)
+	XTHREAD_CFLAGS="-D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS" ;;
+    esac
+    XAU_CFLAGS="$XAU_CFLAGS $XTHREAD_CFLAGS"
+fi
+
 if test "x$GCC" = "xyes"; then
 	GCC_WARNINGS="-Wall -Wpointer-arith -Wstrict-prototypes \
 	-Wmissing-prototypes -Wmissing-declarations \
-- 
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