--- gcc-7-20161106.orig/configure	2016-10-10 23:31:17 +0200
+++ gcc-7-20161106.new/configure	2016-12-01 18:01:15 +0100
@@ -3433,7 +3433,7 @@
     ;;
   powerpc-*-aix*)
     # copied from rs6000-*-* entry
-    noconfigdirs="$noconfigdirs target-libffi"
+    #noconfigdirs="$noconfigdirs target-libffi"
     ;;
   rs6000-*-aix*)
     noconfigdirs="$noconfigdirs target-libffi"