If the active compiler or flags have already defined _FORTIFY_SOURCE,
don't go overriding that. Otherwise we get a lot of spew about the
flag being redefined.
* configure.ac (FORTIFY_SOURCE): Check if _FORTIFY_SOURCE is defined.
---
configure.ac | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac
index e5e05be..6504144 100644
--- a/configure.ac
+++ b/configure.ac
@@ -170,7 +170,7 @@ if test "$gl_gcc_warnings" = yes; then
AH_VERBATIM([FORTIFY_SOURCE],
[/* Enable compile-time and run-time bounds-checking, and some warnings,
without upsetting glibc 2.15+. */
- #if defined __OPTIMIZE__ && __OPTIMIZE__
+ #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
# define _FORTIFY_SOURCE 2
#endif
])
--
1.7.12
