--- configure~	Tue Sep  5 04:54:42 2006
+++ configure	Fri Jan 12 09:44:27 2007
@@ -1719,7 +1719,7 @@
 else
 
 	case $ac_sys_system in
-	AIX*)   CC=cc_r
+	AIX*)   CC=${CC:-xlc_r}
 		without_gcc=;;
 	BeOS*)
 		case $BE_HOST_CPU in