From f406e07ef5dee51738e05a3546ec5af3dd0974c9 Mon Sep 17 00:00:00 2001
From: sje <sje@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 9 Oct 2006 15:55:38 +0000
Subject: 	PR target/27880 	* unwind-c.c (PERSONALITY_FUNCTION):
 Ifdef use of _Unwind_GetIPInfo. 	* configure.ac (HAVE_GETIPINFO): Check
 for _Unwind_GetIPInfo. 	* configure: Regenerate. 	* config.in:
 Regenerate.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@117576 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/configure.ac | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'gcc/configure.ac')

diff --git a/gcc/configure.ac b/gcc/configure.ac
index 5841da9bc87..e502ef5f261 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -1229,6 +1229,12 @@ AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
 AC_ARG_WITH(system-libunwind,
 [  --with-system-libunwind use installed libunwind])
 
+# config.gcc also contains tests of with_system_libunwind.
+if test x$with_system_libunwind = xyes; then
+        AC_DEFINE(HAVE_GETIPINFO, 1,
+[Define to 1 if system unwind library has _Unwind_GetIPInfo.])
+fi
+
 # --------------------------------------------------------
 # Build, host, and target specific configuration fragments
 # --------------------------------------------------------
@@ -1439,6 +1445,20 @@ if test x$enable___cxa_atexit = xyes || \
   fi
 fi
 
+use_getipinfo=yes
+if test x$with_system_libunwind = xyes; then
+   if test x$host = x$target; then
+     AC_SEARCH_LIBS(_Unwind_GetIPInfo, unwind,, [use_getipinfo=no])
+   fi
+fi
+GCC_TARGET_TEMPLATE(HAVE_GETIPINFO)
+if test x$use_getipinfo = xyes; then
+   AC_DEFINE(HAVE_GETIPINFO, 1,
+	[Define to 1 if system unwind library has _Unwind_GetIPInfo.])
+else
+   echo "The system unwind library does not support _Unwind_GetIPInfo."
+fi
+
 # Look for a file containing extra machine modes.
 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
   extra_modes_file='$(srcdir)'/config/${extra_modes}
-- 
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