1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 499eb67..7c5633f 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ CMPH_CFLAGS:=$(shell pkg-config --cflags cmph)
 CMPH_LIBS:=$(shell pkg-config --libs cmph)
 
 CC=gcc
-CFLAGS=-g -I. $(NETSNMP_CFLAGS) $(LUA_CFLAGS) $(CMPH_CFLAGS) -std=gnu99 -Wall
+CFLAGS=-g -I. $(NETSNMP_CFLAGS) $(LUA_CFLAGS) $(CMPH_CFLAGS) -std=gnu99 -D_GNU_SOURCE -Wall
 
 all: $(TARGETS)