1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index ff498ce..ca4f519 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ LIBUNIT_PREFIX := /opt/local/unit
 LIBUNIT_CPPFLAGS := -isystem$(LIBUNIT_PREFIX)/include
 LIBUNIT_LIBS     := -L$(LIBUNIT_PREFIX)/lib -lunit
 
-DEFAULT_CPPFLAGS := $(LIBUNIT_CPPFLAGS)
+DEFAULT_CPPFLAGS := -D_GNU_SOURCE $(LIBUNIT_CPPFLAGS)
 EXTRA_CPPFLAGS   :=
 CPPFLAGS         := $(DEFAULT_CPPFLAGS) $(EXTRA_CPPFLAGS)