If the _FORTIFY_SOURCE has been already defined, we unconditionally
redefine it, leaving us with warning/error thrown at compilation time.
---
m4/virt-compile-warnings.m4 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/m4/virt-compile-warnings.m4 b/m4/virt-compile-warnings.m4
index 99d214e..d07872a 100644
--- a/m4/virt-compile-warnings.m4
+++ b/m4/virt-compile-warnings.m4
@@ -87,7 +87,7 @@ AC_DEFUN([LIBVIRT_GLIB_COMPILE_WARNINGS],[
AH_VERBATIM([FORTIFY_SOURCE],
[/* Enable compile-time and run-time bounds-checking, and some warnings,
without upsetting newer glibc. */
- #if defined __OPTIMIZE__ && __OPTIMIZE__
+ #if defined __OPTIMIZE__ && __OPTIMIZE__ && !defined _FORTIFY_SOURCE
# define _FORTIFY_SOURCE 2
#endif
])
--
1.8.0.2
--
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