1 files changed, 8 insertions, 0 deletions

diff --git a/cgit.mk b/cgit.mk
index 056c3f9..3b8b79a 100644
--- a/cgit.mk
+++ b/cgit.mk
@@ -68,6 +68,14 @@ ifeq ($(findstring BSD,$(uname_S)),)
 	CGIT_LIBS += -ldl
 endif
 
+# glibc 2.1+ offers sendfile which the most common C library on Linux
+ifeq ($(uname_S),Linux)
+	HAVE_LINUX_SENDFILE = YesPlease
+endif
+
+ifdef HAVE_LINUX_SENDFILE
+	CGIT_CFLAGS += -DHAVE_LINUX_SENDFILE
+endif
 
 CGIT_OBJ_NAMES += cgit.o
 CGIT_OBJ_NAMES += cache.o