anchor.diff:      mv $dev/include/*.h $dev/include/partio
     '';
   
  +  strictDeps = true;
  +
     meta = with lib; {
       description = "C++ (with python bindings) library for easily reading/writing/manipulating common animation particle formats such as PDB, BGEO, PTC";
       homepage = "https://www.disneyanimation.com/technology/partio.html";
  
positive.code:   outputs = [ "dev" "out" "lib" ];
  
    nativeBuildInputs = [ unzip cmake doxygen ];
    buildInputs = [ freeglut libGLU libGL zlib swig python xorg.libXi xorg.libXmu ];
  
    buildPhase = ''
      make partio
  
negative.code: { lib, stdenv, fetchFromGitHub, unzip, cmake, freeglut, libGLU, libGL, zlib, swig, doxygen, xorg }:
  
  stdenv.mkDerivation {
    pname = "partio";
  