add --enable-ssp configure option so developers can build like fedora does

2008-01-12  Frank Ch. Eigler  <fche@elastic.org>

	PR 5603.
	* configure.ac: Add "--enable-ssp" to select -fstack-protector-all
	and similar runtime checking directives.
	* configure: Regenerated.

3 files changed, 34 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index d9007997..ab1a2fc5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2008-01-12  Frank Ch. Eigler  <fche@elastic.org>
+
+	PR 5603.
+	* configure.ac: Add "--enable-ssp" to select -fstack-protector-all
+	and similar runtime checking directives.
+	* configure: Regenerated.
+
 2008-01-09  David Smith  <dsmith@redhat.com>
 
 	* systemtap.spec.in: Since "make check" was removed
diff --git a/configure b/configure
index b26fb390..ccca2d7f 100755
--- a/configure
+++ b/configure
@@ -1312,6 +1312,7 @@ Optional Features:
   --enable-dependency-tracking   do not reject slow dependency extractors
   --enable-perfmon                 enable perfmon support (default is disabled)
   --enable-prologues      make -P prologue-searching default
+  --enable-ssp            enable gcc stack-protector
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -5822,6 +5823,8 @@ fi
 
 
 
+
+
 # Check whether --enable-perfmon was given.
 if test "${enable_perfmon+set}" = set; then
   enableval=$enable_perfmon; perfmon_support=$enableval
@@ -6033,6 +6036,20 @@ sqlite3_LIBS="$LIBS"
 
 LIBS="$SAVE_LIBS"
 
+
+# Check whether --enable-ssp was given.
+if test "${enable_ssp+set}" = set; then
+  enableval=$enable_ssp;
+fi
+
+if test "x$enable_ssp" == xyes; then
+  CFLAGS="$CFLAGS -fstack-protector-all -D_FORTIFY_SOURCE=2"
+       CXXFLAGS="$CXXFLAGS -fstack-protector-all -D_FORTIFY_SOURCE=2"
+       { echo "$as_me:$LINENO: Compiling with gcc -fstack-protector-all et al." >&5
+echo "$as_me: Compiling with gcc -fstack-protector-all et al." >&6;}
+fi
+
+
 build_elfutils=no
 
 # Check whether --with-elfutils was given.
diff --git a/configure.ac b/configure.ac
index d2a150b0..522af8d7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,6 +25,8 @@ AC_PROG_MAKE_SET
 AC_SUBST(CFLAGS)
 AC_SUBST(CXXFLAGS)
 
+
+
 dnl enable option to generate code for using perfmon
 AC_ARG_ENABLE(perfmon,
 	[  --enable-perfmon                 enable perfmon support (default is disabled)],
@@ -81,6 +83,14 @@ sqlite3_LIBS="$LIBS"
 AC_SUBST(sqlite3_LIBS)
 LIBS="$SAVE_LIBS"
 
+
+AC_ARG_ENABLE([ssp],
+            [AC_HELP_STRING([--enable-ssp], [enable gcc stack-protector])])
+AS_IF([test "x$enable_ssp" == xyes],
+      [CFLAGS="$CFLAGS -fstack-protector-all -D_FORTIFY_SOURCE=2"
+       CXXFLAGS="$CXXFLAGS -fstack-protector-all -D_FORTIFY_SOURCE=2"
+       AC_MSG_NOTICE([Compiling with gcc -fstack-protector-all et al.])])
+
 build_elfutils=no
 AC_ARG_WITH([elfutils],
             AC_HELP_STRING([--with-elfutils=DIRECTORY],