anchor.diff:    buildInputs = [
       ffmpeg-full graphicsmagick ghostscript quicktemplate go-bindata easyjson
       emscripten
  -  ] ++ stdenv.lib.optionals stdenv.isDarwin [ libcxx libcxxabi ];
  +  ];
   
     buildPhase = ''
       export HOME=$PWD
  
positive.code:     sed -i "/npm install --progress false --depth 0/d" Makefile
      make generate_clean
      go generate meguca/...
      go build -p $NIX_BUILD_CORES meguca
      make -j $NIX_BUILD_CORES client wasm
    '';
  
    installPhase = ''
  
negative.code: { stdenv, buildGoPackage, fetchgit, pkgconfig, cmake, ffmpeg-full, ghostscript
  , graphicsmagick, quicktemplate, go-bindata, easyjson, nodePackages, emscripten }:
  
  buildGoPackage rec {
    name = "meguca-unstable-${version}";
  