From a7197f579c25eab5d0841a83f4a32a3856a7584e Mon Sep 17 00:00:00 2001
From: Florian Westphal <fw@strlen.de>
Date: Tue, 30 Aug 2005 20:59:30 +0000
Subject: [PATCH] check if gcc supports -fstack-protector

---
 configure.in | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index 9bda36e6..204d4529 100644
--- a/configure.in
+++ b/configure.in
@@ -8,7 +8,7 @@
 # (at your option) any later version.
 # Please read the file COPYING, README and AUTHORS for more information.
 #
-# $Id: configure.in,v 1.115 2005/07/22 21:02:22 alex Exp $
+# $Id: configure.in,v 1.116 2005/08/30 20:59:30 fw Exp $
 #
 
 # -- Initialisation --
@@ -61,6 +61,25 @@ if test "$GCC" = "yes"; then
 	CFLAGS="$CFLAGS -pipe -W -Wall -Wpointer-arith -Wstrict-prototypes"
 fi
 
+
+AC_DEFUN([GCC_STACK_PROTECT_CC],[
+  ssp_cc=yes
+  if test "X$CC" != "X"; then
+    AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
+    ssp_old_cflags="$CFLAGS"
+    CFLAGS="$CFLAGS -fstack-protector"
+    AC_TRY_COMPILE(,,, ssp_cc=no)
+    echo $ssp_cc
+    if test "X$ssp_cc" = "Xno"; then
+      CFLAGS="$ssp_old_cflags"
+    else
+      AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
+    fi
+  fi
+])
+
+GCC_STACK_PROTECT_CC
+
 case "$target_os" in
 	hpux*)
 		# This is HP/UX, we need to define _XOPEN_SOURCE_EXTENDED
@@ -105,6 +124,7 @@ AC_TRY_COMPILE([
 AC_TYPE_SIGNAL
 AC_TYPE_SIZE_T
 
+
 # -- Libraries --
 
 AC_CHECK_LIB(UTIL,memmove)