configure: Use AC_GNU_SOURCE

[petitboot] / ui / ncurses / ps3-main.c

diff --git a/ui/ncurses/ps3-main.c b/ui/ncurses/ps3-main.c
index 1269549b7f8ac13a5dbff83b581d2d64a74f8ef2..7bded787c4428b643e54e17bccd1aea957be97b9 100644 (file)
--- a/ui/ncurses/ps3-main.c
+++ b/ui/ncurses/ps3-main.c
@@ -24,9 +24,9 @@
  * ncurses mouse support
  */
 
+#if defined(HAVE_CONFIG_H)
 #include "config.h"
-
-#define _GNU_SOURCE
+#endif
 
 #include <assert.h>
 #include <errno.h>