--- configure.orig	2017-12-14 12:15:32.517920736 +0100
+++ configure	2017-12-14 12:16:22.608660037 +0100
@@ -6865,10 +6865,6 @@
 	fi
 	;;
   powerpc*)
-	cat >>confdefs.h <<_ACEOF
-#define HAVE_ALTIVEC
-_ACEOF
-
 	CPU_SPINWAIT='__asm__ volatile("or 31,31,31")'
 	;;
   *)