anchor.diff:      glew
       libpng
       tbb
  -    wxGTK30
  +    wxGTK31
       xorg.libX11
     ] ++ checkInputs;
   
  
positive.code: { stdenv, lib, fetchFromGitHub, makeWrapper, cmake, pkgconfig
  , boost, cereal, curl, eigen, expat, glew, libpng, tbb, wxGTK30
  , gtest, nlopt, xorg, makeDesktopItem
  }:
  let
  
negative.code: 
    cmakeFlags = [
      "-DSLIC3R_FHS=1"
    ];
  
    postInstall = ''
  