From 7147ef8e80ae9f5d7f13b0c29bbf7a4d27982d3d Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Wed, 3 Jan 2018 12:39:24 -0800
Subject: [PATCH] zbar: Enable building on darwin by disabling video support
 there

---
 pkgs/tools/graphics/zbar/default.nix | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/graphics/zbar/default.nix b/pkgs/tools/graphics/zbar/default.nix
index 87bb4923b8a..b8bf73fda64 100644
--- a/pkgs/tools/graphics/zbar/default.nix
+++ b/pkgs/tools/graphics/zbar/default.nix
@@ -1,5 +1,6 @@
 { stdenv, fetchurl, imagemagickBig, pkgconfig, python2Packages, perl
 , libX11, libv4l, qt4, lzma, gtk2, fetchpatch, autoreconfHook
+, enableVideo ? stdenv.isLinux
 }:
 
 let
@@ -38,7 +39,12 @@ in stdenv.mkDerivation rec {
 
   buildInputs =
     [ imagemagickBig pkgconfig python pygtk perl libX11
-      libv4l qt4 lzma gtk2 autoreconfHook ];
+      lzma autoreconfHook ] ++
+    stdenv.lib.optionals enableVideo [ libv4l gtk2 qt4 ];
+
+  configureFlags = stdenv.lib.optionals (!enableVideo) [
+    "--disable-video" "--without-gtk" "--without-qt"
+  ];
 
   hardeningDisable = [ "fortify" ];
 
@@ -52,7 +58,7 @@ in stdenv.mkDerivation rec {
       Code.
     '';
     maintainers = with maintainers; [ raskin ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     license = licenses.lgpl21;
     homepage = http://zbar.sourceforge.net/;
   };