--- ./bin/Makefile.static.orig	2010-10-08 01:57:09.000000000 +0200
+++ ./bin/Makefile.static	2011-07-31 01:05:18.000000000 +0200
@@ -2,7 +2,7 @@
 # bibutils converters MAKEFILE
 #
 
-CFLAGS     = -I ../lib
+CFLAGS     += -I ../lib
 LIBDIR     = -L../lib
 
 TOMODS     = bibprog.o tomods.o args.o ../lib/modsout.o