diff --git a/lib/Makefile b/lib/Makefile
index 50d269dc6..6cd8c7635 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -43,6 +43,7 @@ else
 HOST_CFLAGS = ${DEBUG} 
 endif
 HOST_CFLAGS+= ${DPDK_CFLAGS}
+HOST_CFLAGS+= ${CONF_CFLAGS}
 HOST_C= ${CC} -c $(HOST_CFLAGS) ${HOST_INCLUDES} ${WERROR} ${PROF} $<