From 65ac375aa22f1bbcd01135193d8fc19a5d50bbbd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Mon, 21 Jul 2014 10:09:38 +0200
Subject: [PATCH] Revert "qt4: try enableParallelBuilding again"

This reverts commit e8dc6258a1b5b11846fecf4a00c56a308dd22527.

It's unfortunate, but there still are occurrences of the missing ui_qtgradientview.h
on Hydra: http://hydra.nixos.org/build/12625390/nixlog/1/tail-reload
---
 pkgs/development/libraries/qt-4.x/4.8/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 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 0d6716243b8..1679b4953e7 100644
--- a/pkgs/development/libraries/qt-4.x/4.8/default.nix
+++ b/pkgs/development/libraries/qt-4.x/4.8/default.nix
@@ -121,7 +121,9 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ perl pkgconfig which ];
 
-  enableParallelBuilding = true;
+  # occasional build problems if one has too many cores (like on Hydra)
+  # @vcunat has been unable to find a *reliable* fix
+  enableParallelBuilding = false;
 
   NIX_CFLAGS_COMPILE = optionalString stdenv.isDarwin
     "-I${glib}/include/glib-2.0 -I${glib}/lib/glib-2.0/include";