From e193a4f8987e2ffeb4c65fd39ede34082dd199df Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Sat, 13 Jul 2013 16:01:06 -0400
Subject: [PATCH] Fix gtk2 build

libintlOrEmpty is [], not null, when libintl isn't needed

Signed-off-by: Shea Levy <shea@shealevy.com>
---
 pkgs/development/libraries/gtk+/2.x.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/gtk+/2.x.nix b/pkgs/development/libraries/gtk+/2.x.nix
index 6b889f76ca5..8c6e76726af 100644
--- a/pkgs/development/libraries/gtk+/2.x.nix
+++ b/pkgs/development/libraries/gtk+/2.x.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   NIX_CFLAGS_COMPILE = "-I${cairo}/include/cairo"
-    + stdenv.lib.optionalString (libintlOrEmpty != null) " -lintl";
+    + stdenv.lib.optionalString (libintlOrEmpty != []) " -lintl";
 
   nativeBuildInputs = [ perl pkgconfig gettext ];