From 45e8ec34a6f553ff5ac7e3ca97375f74637c5057 Mon Sep 17 00:00:00 2001
From: Alam Ed Arias <alam@srb2.org>
Date: Sat, 10 Jan 2015 17:35:36 -0500
Subject: [PATCH] always turn on LFS support when compiling for a Linux/GNU
 system with libpng support

---
 src/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Makefile b/src/Makefile
index f5d58af3..d4cc64a4 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -305,6 +305,10 @@ PNG_LDFLAGS?=$(shell $(PNG_CONFIG) --ldflags)
 endif
 endif
 
+ifdef LINUX
+PNG_CFLAGS+=-D_LARGEFILE64_SOURCE
+endif
+
 LIBS+=$(PNG_LDFLAGS)
 CFLAGS+=$(PNG_CFLAGS)
 endif