$NetBSD: patch-ae,v 1.4 2003/01/21 15:17:55 wiz Exp $

--- libguile/gc_os_dep.c.orig	Sat Dec  7 23:41:31 2002
+++ libguile/gc_os_dep.c
@@ -93,6 +93,11 @@ typedef int GC_bool;
 #    define OPENBSD
 #    define mach_type_known
 # endif
+# if defined(__NetBSD__) && defined(__powerpc__)
+#    define POWERPC
+#    define NETBSD
+#    define mach_type_known
+# endif
 # if defined(__NetBSD__) && defined(m68k)
 #    define M68K
 #    define NETBSD