1 files changed, 1 insertions, 1 deletions
diff --git a/makefile b/makefile
index 6c33c56..0a07ae9 100644
--- a/makefile
+++ b/makefile
@@ -9,7 +9,7 @@ ifeq ($(version),jit)
 	install_version = 5.1
 endif
 
-CFLAGS := -Wall -fPIC -DGIT_COMMIT='$(GIT_COMMIT)' `pkg-config --cflags lua$(version)`
+CFLAGS := -D_GNU_SOURCE -Wall -fPIC -DGIT_COMMIT='$(GIT_COMMIT)' `pkg-config --cflags lua$(version)`
 LFLAGS := -lm -shared -lcrypto -lssl
 LINKER := $(CC)