diff -uprN libvisual.orig/lv_cpu.c libvisual/lv_cpu.c
--- libvisual.orig/lv_cpu.c	2005-04-06 22:04:26.000000000 +0200
+++ libvisual/lv_cpu.c	2005-04-06 22:04:50.000000000 +0200
@@ -423,7 +423,7 @@ void visual_cpu_initialize ()
 #endif
 #endif /* VISUAL_ARCH_X86 */
 
-#if VISUAL_ARCH_POWERPC
+#ifdef VISUAL_ARCH_POWERPC
 	check_os_altivec_support ();
 #endif /* VISUAL_ARCH_POWERPC */