anchor.diff:    '';
   
     buildInputs = [ qt4 muparser which boost ];
  -  nativeBuildInputs = [ pkgconfig ];
  +  nativeBuildInputs = [ pkgconfig qmake4Hook ];
   
     enableParallelBuilding = true;
   
  
positive.code: { stdenv, fetchurl, qt4, muparser, which, boost, pkgconfig }:
  
  stdenv.mkDerivation rec {
    version = "2.0.9";
  
negative.code:     sed -i -e s,/usr/share,$out/share, librecad/src/lib/engine/rs_system.cpp
    '';
  
    qmakeFlags = [ "MUPARSER_DIR=${muparser}" "BOOST_DIR=${boost.dev}" ];
  
    installPhase = ''
      mkdir -p $out/bin $out/share
  