From 82b8393bc4d102ea31b03d05fa0f3d2026e9976d Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Tue, 9 Apr 2019 21:44:38 -0400
Subject: [PATCH] tk: use aqua backend on darwin
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Most users don’t have xquartz, so let’s use the default window system
for macOS.
---
 pkgs/development/libraries/tk/generic.nix | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/pkgs/development/libraries/tk/generic.nix b/pkgs/development/libraries/tk/generic.nix
index b3cc2b7506b..d5eaff77c11 100644
--- a/pkgs/development/libraries/tk/generic.nix
+++ b/pkgs/development/libraries/tk/generic.nix
@@ -1,4 +1,6 @@
-{ stdenv, src, pkgconfig, tcl, libXft, fontconfig, patches ? [], ... }:
+{ stdenv, lib, src, pkgconfig, tcl, libXft, fontconfig, patches ? []
+, enableAqua ? stdenv.isDarwin, darwin
+, ... }:
 
 stdenv.mkDerivation {
   name = "tk-${tcl.version}";
@@ -21,15 +23,14 @@ stdenv.mkDerivation {
 
   configureFlags = [
     "--with-tcl=${tcl}/lib"
-  ];
+  ] ++ stdenv.lib.optional enableAqua "--enable-aqua";
 
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ ]
-    ++ stdenv.lib.optional stdenv.isDarwin fontconfig;
 
   propagatedBuildInputs = [ tcl libXft ];
-
-  NIX_CFLAGS_LINK = if stdenv.isDarwin then "-lfontconfig" else null;
+  buildInputs = lib.optional enableAqua (with darwin; with apple_sdk.frameworks; [
+      Cocoa cf-private
+    ]);
 
   doCheck = false; # fails. can't find itself