From c48a234ab1b826c7712b59a10dc541c83b76b5ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Sun, 2 Sep 2018 15:15:01 -0300
Subject: [PATCH] dtkcore: only define QT_HOST_DATA if it is empty, enable
 parallel building

---
 pkgs/desktops/deepin/dtkcore/default.nix | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/pkgs/desktops/deepin/dtkcore/default.nix b/pkgs/desktops/deepin/dtkcore/default.nix
index 561e951f34d..1dfb627c605 100644
--- a/pkgs/desktops/deepin/dtkcore/default.nix
+++ b/pkgs/desktops/deepin/dtkcore/default.nix
@@ -23,11 +23,16 @@ stdenv.mkDerivation rec {
   ];
 
   postPatch = ''
-    sed -i src/src.pro src/dtk_module.prf \
-      -e "s,\$\''${QT_HOST_DATA}/mkspecs,$out/mkspecs,"
+    # Only define QT_HOST_DATA if it is empty
+    sed '/QT_HOST_DATA=/a }' -i src/dtk_module.prf
+    sed '/QT_HOST_DATA=/i isEmpty(QT_HOST_DATA) {' -i src/dtk_module.prf
 
-    sed -i tools/script/dtk-translate.py \
-      -e "s,#!env,#!/usr/bin/env,"
+    # Fix shebang
+    sed -i tools/script/dtk-translate.py -e "s,#!env,#!/usr/bin/env,"
+  '';
+
+  preConfigure = ''
+    qmakeFlags="$qmakeFlags QT_HOST_DATA=$out"
   '';
 
   postFixup = ''
@@ -35,6 +40,8 @@ stdenv.mkDerivation rec {
     wrapPythonProgramsIn "$out/lib/dtk2" "$out $pythonPath"
   '';
 
+  enableParallelBuilding = true;
+
   meta = with stdenv.lib; {
     description = "Deepin tool kit core modules";
     homepage = https://github.com/linuxdeepin/dtkcore;