anchor.diff:      nativeBuildInputs = [ extra-cmake-modules kdoctools ];
   
       propagatedBuildInputs = [ kconfig kinit kparts ];
  +
  +    enableParallelBuilding = true;
   
       meta = with lib; {
         homepage = http://kdiff3.sourceforge.net/;
  
positive.code: 
      setSourceRoot = ''sourceRoot="$(echo */kdiff3/)"'';
  
      postPatch = ''
        sed -re "s/(p\\[[^]]+] *== *)('([^']|\\\\')+')/\\1QChar(\\2)/g" -i src/diff.cpp
      '';
  
negative.code: {
    kdeDerivation, kdeWrapper, lib, fetchgit, fetchpatch,
    extra-cmake-modules, kdoctools, kconfig, kinit, kparts
  }:
  
  