diff options
| -rw-r--r-- | configure.ac | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 16dd7c29..6d31b966 100644 --- a/configure.ac +++ b/configure.ac @@ -156,9 +156,12 @@ if test "$gl_gcc_warnings" = yes; then AC_SUBST([WARN_CFLAGS]) AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.]) - AC_DEFINE([_FORTIFY_SOURCE], [2], - [enable compile-time and run-time bounds-checking, and some warnings]) AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks]) + AH_VERBATIM([FORTIFY_SOURCE], + [/* Enable compile-time and run-time bounds-checking, and some warnings. */ +#if __OPTIMIZE__ +# define _FORTIFY_SOURCE 2 +#endif]) fi AC_C_PROTOTYPES |