--- mednafen/configure.ac.old	2019-01-28 06:52:37.000000000 +0000
+++ mednafen/configure.ac	2019-03-24 22:30:31.180000000 +0000
@@ -765,7 +765,7 @@
                 AM_CONDITIONAL(ARCH_X86_32, true)
 		;;
 
-	powerpc)
+	powerpc*|ppc*)
 	        AC_DEFINE([ARCH_POWERPC], [1], [Define if we are compiling for PPC architectures.])
 	        AM_CONDITIONAL(ARCH_POWERPC, true)