anchor.diff:  
     enableParallelBuilding = true;
   
  -  preConfigure = ''
  -    substituteInPlace imlib2-config.in \
  -      --replace "@my_libs@" ""
  -  '';
  -
     # Do not build amd64 assembly code on Darwin, because it fails to compile
     # with unknow directive errors
     configureFlags = optional stdenv.isDarwin "--enable-amd64=no"
       ++ optional (!x11Support) "--without-x";
   
     outputs = [ "bin" "out" "dev" ];
  -
  -  postInstall = ''
  -    moveToOutput bin/imlib2-config "$dev"
  -  '';
   
     meta = with lib; {
       description = "Image manipulation library";
  
positive.code:     '';
  
      homepage = "https://docs.enlightenment.org/api/imlib2/html";
      license = licenses.mit;
      platforms = platforms.unix;
      maintainers = with maintainers; [ spwhitt ];
    };
  
negative.code: in
  stdenv.mkDerivation rec {
    pname = "imlib2";
    version = "1.7.5";
  
    src = fetchurl {
      url = "mirror://sourceforge/enlightenment/${pname}-${version}.tar.xz";
      hash = "sha256-RY2DAKp6bUzjU1GDi7pdn9+wiES9WxU8WTjs/kP/Ngo=";
    };
  
    buildInputs = [
  