anchor.diff:      owner = "flatpak";
       repo = pname;
       rev = version;
  -    sha256 = "1s3g17zbbmq3m5jfs62fl94p4irln9hfhpybj7jb05z0p1939rk3";
  +    sha256 = "fuYZWGkdazq6H0rThqpF6KIcvwgc17o+CiISb1LjBso=";
     };
  -
  -  patches = [
  -    # Fix build and .pc file
  -    # https://github.com/flatpak/libportal/pull/20
  -    (fetchpatch {
  -      url = "https://github.com/flatpak/libportal/commit/7828be4ec8f05f8de7b129a1e35b5039d8baaee3.patch";
  -      sha256 = "04nadcxx69mbnzljwjrzm88cgapn14x3mghpkhr8b9yrjn7yj86h";
  -    })
  -    (fetchpatch {
  -      url = "https://github.com/flatpak/libportal/commit/bf5de2f6fefec65f701b4ec8712b48b29a33fb71.patch";
  -      sha256 = "1v0b09diq49c01j5gg2bpvn5f5gfw1a5nm1l8grc4qg4z9jck1z8";
  -    })
  -  ];
   
     nativeBuildInputs = [
       meson
  
positive.code: { lib, stdenv
  , fetchFromGitHub
  , fetchpatch
  , meson
  , ninja
  , pkg-config
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "libportal";
    version = "0.4";
  
    outputs = [ "out" "dev" "devdoc" ];
  
  