diff -up mame-0.176/src/osd/sdl/sdlprefix.h.fortify mame-0.176/src/osd/sdl/sdlprefix.h
--- mame-0.176/src/osd/sdl/sdlprefix.h.fortify	2016-07-27 20:25:12.076182355 +0200
+++ mame-0.176/src/osd/sdl/sdlprefix.h	2016-07-27 20:26:29.052947445 +0200
@@ -75,9 +75,9 @@ struct _IO_FILE {};  //_IO_FILE is an op
 #endif
 
 // fix for Ubuntu 8.10
-#ifdef _FORTIFY_SOURCE
-#undef _FORTIFY_SOURCE
-#endif
+// #ifdef _FORTIFY_SOURCE
+// #undef _FORTIFY_SOURCE
+// #endif
 
 // nasty hack to stop altivec #define vector/bool/pixel screwing us over
 #if defined(__ALTIVEC__) && !defined(__APPLE_ALTIVEC__)