--- configure.ac.orig	2015-03-25 10:02:22.047687295 +0100
+++ configure.ac	2015-03-25 10:03:14.088230497 +0100
@@ -26,7 +26,6 @@ AC_CONFIG_MACRO_DIR([m4])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 AC_SUBST([USER_CFLAGS], "$CFLAGS")
-CFLAGS="-O2 -Wall -std=gnu99 -g"
 
 case $host_os in
 	*darwin*)