From bfc84fec9bd99d0838d815d992c1d0f82c022002 Mon Sep 17 00:00:00 2001
From: "Yury G. Kudryashov" <urkud.urkud@gmail.com>
Date: Sat, 24 Sep 2011 20:44:11 +0000
Subject: [PATCH] Add a notice about libpng branch

svn path=/nixpkgs/trunk/; revision=29474
---
 pkgs/development/libraries/libpng/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/libpng/default.nix b/pkgs/development/libraries/libpng/default.nix
index 16fe511f1f1a..7ba9bfb54b37 100644
--- a/pkgs/development/libraries/libpng/default.nix
+++ b/pkgs/development/libraries/libpng/default.nix
@@ -2,6 +2,7 @@
 
 assert zlib != null;
 
+# If you want to upgrade libpng, look at libpng15 branch
 stdenv.mkDerivation rec {
   name = "libpng-1.2.46";