From 71a2a5ae40b2b94150365bb846fb78b620562df8 Mon Sep 17 00:00:00 2001
From: Orivej Desh <orivej@gmx.fr>
Date: Tue, 21 Nov 2017 19:30:18 +0000
Subject: [PATCH] qt4: enable parallel building

Please let me know if it fails to build in parallel so we could fix it, because
overwise it is a bottleneck of mass rebuilds.
---
 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 c9679d227d88..f5bce5fb2997 100644
--- a/pkgs/development/libraries/qt-4.x/4.8/default.nix
+++ b/pkgs/development/libraries/qt-4.x/4.8/default.nix
@@ -164,7 +164,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ perl pkgconfig which ];
 
-  enableParallelBuilding = false;
+  enableParallelBuilding = true;
 
   NIX_CFLAGS_COMPILE =
     optionalString stdenv.isLinux "-std=gnu++98" # gnu++ in (Obj)C flags is no good on Darwin