anchor.diff:  { stdenv, lib, fetchFromGitHub, pkgconfig, asciidoc, docbook_xml_dtd_45
  -, docbook_xsl, libxslt, libxml2, makeWrapper
  +, docbook_xsl, libxslt, libxml2, makeWrapper, meson, ninja
  +, xorgproto, libxcb ,xcbutilrenderutil, xcbutilimage, pixman, libev
   , dbus, libconfig, libdrm, libGL, pcre, libX11, libXcomposite, libXdamage
  -, libXinerama, libXrandr, libXrender, libXext, xwininfo }:
  +, libXinerama, libXrandr, libXrender, libXext, xwininfo, libxdg_basedir }:
   
   let
     common = source: stdenv.mkDerivation (source // rec {
       name = "${source.pname}-${source.version}";
   
  -    buildInputs = [
  -      dbus libX11 libXcomposite libXdamage libXrender libXrandr libXext
  -      libXinerama libdrm pcre libxml2 libxslt libconfig libGL
  -    ];
  -
  -    nativeBuildInputs = [
  +    nativeBuildInputs = (source.nativeBuildInputs or []) ++ [
         pkgconfig
         asciidoc
         docbook_xml_dtd_45
  
positive.code: 
      COMPTON_VERSION = version;
  
      src = fetchFromGitHub {
        owner = "chjj";
        repo = "compton";
  
negative.code: 
    gitSource = rec {
      pname = "compton-git";
      version = "5";
  
      COMPTON_VERSION = "v${version}";
  
      nativeBuildInputs = [ meson ninja ];
  
      src = fetchFromGitHub {
        owner  = "yshui";
        repo   = "compton";
        rev    = COMPTON_VERSION;
        sha256 = "1x5r2dch023imgdqhgf1zxi05cc742s7xr7jzpymvl9ldqly8ppa";
      };
  
      buildInputs = [
        dbus libX11 libXext
        xorgproto
        libXinerama libdrm pcre libxml2 libxslt libconfig libGL
        # Removed:
        # libXcomposite libXdamage libXrender libXrandr
  
        # New:
        libxcb xcbutilrenderutil xcbutilimage
        pixman libev
        libxdg_basedir
      ];
  
      postPatch = ''
        substituteInPlace meson.build \
          --replace "run_command('git', 'describe')" \
                    "run_command('echo', 'v${version}')"
      '';
  
      NIX_CFLAGS_COMPILE = [ "-fno-strict-aliasing" ];
  
      mesonFlags = [
        "-Dvsync_drm=true"
        "-Dnew_backends=true"
        "-Dbuild_docs=true"
      ];
  
      meta = {
        homepage = https://github.com/yshui/compton/;
  