Hi!
> > you could probably turn that AH_VERBATIM into a compile test and then add
> > it
> > to CPPFLAGS based on the result. that would probably work in most cases.
>
> So back to the beginning...
What about this patch?
(it's tested and works)
--
Cyril Hrubis
[email protected]
>From 9d69dc34b6f08e742d79a30b4253371836de7367 Mon Sep 17 00:00:00 2001
From: Cyril Hrubis <[email protected]>
Date: Mon, 2 Sep 2013 16:13:16 +0200
Subject: [PATCH] configure: Add _FORTIFY_SOURCE=2
Add -D_FORTIFY_SOURCE=2 into CPPFLAGS if:
o it's not allready set in system headers
o optimalization is enabled
Signed-off-by: Cyril Hrubis <[email protected]>
---
configure.ac | 2 +-
m4/ltp-fortify_source.m4 | 39 +++++++++++++++++++++++++++++++++++++++
2 files changed, 40 insertions(+), 1 deletion(-)
create mode 100644 m4/ltp-fortify_source.m4
diff --git a/configure.ac b/configure.ac
index f0fc6b0..81f92ab 100644
--- a/configure.ac
+++ b/configure.ac
@@ -144,7 +144,7 @@ else
fi
# END testsuites knobs
-
+LTP_CHECK_FORTIFY_SOURCE
LTP_CHECK_MKDTEMP
LTP_CHECK_CAPABILITY_SUPPORT
LTP_CHECK_CRYPTO
diff --git a/m4/ltp-fortify_source.m4 b/m4/ltp-fortify_source.m4
new file mode 100644
index 0000000..ffb22b4
--- /dev/null
+++ b/m4/ltp-fortify_source.m4
@@ -0,0 +1,39 @@
+dnl
+dnl Copyright (c) 2013 Cyril Hrubis <[email protected]>
+dnl
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 2 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+dnl the GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software
+dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+dnl
+
+dnl
+dnl LTP_CHECK_FORTIFY_SOURCE
+dnl ------------------------
+dnl
+AC_DEFUN([LTP_CHECK_FORTIFY_SOURCE],[dnl
+ AC_MSG_CHECKING(whether to define _FORTIFY_SOURCE=2)
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+#include <stdio.h>
+
+int main(void)
+{
+#if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
+ return 0;
+#else
+# error Compiling without optimalizations
+#endif
+}
+])],[CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"
+AC_MSG_RESULT(yes)],
+[AC_MSG_RESULT(no)])
+])
--
1.8.1.5
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