--- configure.orig	2012-07-11 03:24:01.000000000 -0500
+++ configure	2012-08-28 16:15:47.000000000 -0500
@@ -12602,7 +12602,7 @@
 done
 
 
-CFLAGS=-Wall
+CFLAGS+=" -Wall"
 
 # Checks for header files.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5