From fa6caedfeae369ed65ad9ade4a14abf57d179d25 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Thu, 13 Jun 2013 19:17:01 +0200
Subject: [PATCH] qt48: hopefully a version that works for all possibilities

All builds were OK on my 8-thread testing machine, but it's probably too
little parallelism to show these problems.
---
 pkgs/development/libraries/qt-4.x/4.8/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/qt-4.x/4.8/default.nix b/pkgs/development/libraries/qt-4.x/4.8/default.nix
index 1eb108b1e177..a00f9e5c81ab 100644
--- a/pkgs/development/libraries/qt-4.x/4.8/default.nix
+++ b/pkgs/development/libraries/qt-4.x/4.8/default.nix
@@ -91,7 +91,7 @@ stdenv.mkDerivation rec {
     '';
 
   # fix underspecified dependency in a generated makefile
-  postConfigure = ''
+  postConfigure = stdenv.lib.optional developerBuild ''
     sed "1iqtgradientview.h: .uic/release-shared/ui_qtgradientview.h" \
       -i tools/designer/src/lib/Makefile
   '';