--- allegro-4.2.2/include/allegro/platform/alunixac.hin.multilib	2007-07-15 06:28:15.000000000 +0200
+++ allegro-4.2.2/include/allegro/platform/alunixac.hin	2007-07-23 12:36:16.000000000 +0200
@@ -59,10 +59,14 @@
 #undef ALLEGRO_ASM_PREFIX
 
 /* Define if assembler supports MMX. */
-#undef ALLEGRO_MMX
+#ifdef __i386__
+#define ALLEGRO_MMX
+#endif
 
 /* Define if assembler supports SSE. */
-#undef ALLEGRO_SSE
+#ifdef __i386__
+#define ALLEGRO_SSE
+#endif
 
 /* Define if target platform is Darwin. */
 #undef ALLEGRO_DARWIN
@@ -120,7 +124,9 @@
 #undef ALLEGRO_LINUX_VBEAF
 
 /* Define to enable Linux console VGA driver. */
-#undef ALLEGRO_LINUX_VGA
+#ifdef __i386__
+#define ALLEGRO_LINUX_VGA
+#endif
 
 /*---------------------------------------------------------------------------*/