anchor.diff:      expat
       openssl
       SDL2
  -    fontconfig
  +    (fontconfig.overrideAttrs (old: {
  +      propagatedBuildInputs = [
  +        # skia is not compatible with freetype 2.11.0
  +        (freetype.overrideAttrs (old: rec {
  +          version = "2.10.4";
  +          src = fetchurl {
  +            url = "mirror://savannah/${old.pname}/${old.pname}-${version}.tar.xz";
  +            sha256 = "112pyy215chg7f7fmp2l9374chhhpihbh8wgpj5nj6avj3c59a46";
  +          };
  +        }))
  +      ];
  +    }))
     ];
   
     postFixup = ''
  
positive.code: , lib
  , fetchFromGitHub
  , fetchgit
  , makeWrapper
  , pkg-config
  , python2
  
negative.code: , openssl
  , SDL2
  , fontconfig
  , freetype
  , ninja
  , gn
  , llvmPackages
  