anchor.diff:        // edf "gtktest" "gtktest" { } #Do not try to compile and run a test GTK program
       */
   
  -  postInstall = if stdenv.isLinux then ''
  +  postInstall = stdenv.lib.optionalString stdenv.isLinux ''
       rpath=`patchelf --print-rpath $out/bin/vim`;
       for i in $nativeBuildInputs; do
         echo adding $i/lib
  
positive.code:       // edf { name = "xsmp_interact"; } #Disable XSMP interaction
        // edf { name = "mzscheme"; } #Include MzScheme interpreter.
        // edf { name = "perl"; feat = "perlinterp"; enable = { nativeBuildInputs = [perl]; };} #Include Perl interpreter.
        // edf { name = "python"; feat = "pythoninterp"; enable = { nativeBuildInputs = [python]; }; } #Include Python interpreter.
        // edf { name = "tcl"; enable = { nativeBuildInputs = [tcl]; }; } #Include Tcl interpreter.
        // edf { name = "ruby"; feat = "rubyinterp"; enable = { nativeBuildInputs = [ruby]; };} #Include Ruby interpreter.
        // edf { name = "lua" ; feat = "luainterp"; enable = { nativeBuildInputs = [lua]; configureFlags = ["--with-lua-prefix=${args.lua}"];};}
  
negative.code:     echo $nativeBuildInputs
      echo $rpath
      patchelf --set-rpath $rpath $out/bin/{vim,gvim}
    '';
  
    dontStrip = 1;
  
  