--- Makefile.in.orig	2011-07-10 11:22:21.000000000 +0200
+++ Makefile.in	2011-07-10 11:22:48.000000000 +0200
@@ -1,5 +1,5 @@
 LIBS=@LIBS@
-CFLAGS=-O3 -Wall -include config.h
+CFLAGS=@CFLAGS@ -include config.h
 CC=@CC@
 
 ALL: bnc mkpasswd