From 1712366bac9fabd51543545615b1ba3bccdc8776 Mon Sep 17 00:00:00 2001
From: Anthony Cowley <acowley@gmail.com>
Date: Fri, 11 Nov 2016 17:29:50 -0500
Subject: [PATCH] apple-sdk: Include system cups libraries

The SDK includes cups header files, but not the libraries. The
`nixpkgs.cups` definition doesn't build on darwin due to the SDK being
too old. This change symlinks the system cups libraries into the old
SDK.
---
 pkgs/os-specific/darwin/apple-sdk/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/os-specific/darwin/apple-sdk/default.nix b/pkgs/os-specific/darwin/apple-sdk/default.nix
index c1e09c20111..1148fe5c4a1 100644
--- a/pkgs/os-specific/darwin/apple-sdk/default.nix
+++ b/pkgs/os-specific/darwin/apple-sdk/default.nix
@@ -31,6 +31,10 @@ let
       mv System/* .
       rmdir System
 
+      pushd lib
+      ln -s -L /usr/lib/libcups*.dylib .
+      popd
+
       cd Library/Frameworks/QuartzCore.framework/Versions/A/Headers
       for file in CI*.h; do
         rm $file