--- configure.org	2011-05-04 20:30:40.000000000 +0200
+++ configure	2011-05-04 20:31:06.000000000 +0200
@@ -29,8 +29,8 @@
 TARGET=`uname -s`
 EBUILD_COMPAT=0
 
-CFLAGS='-g -O2'
-LDFLAGS='-g -Wall -O2'
+CFLAGS="${CFLAGS} -g -O2"
+LDFLAGS="${LDFLAGS} -g -Wall -O2"
 
 PREFIX='/usr/local'
 BINDIR=''