anchor.diff:  , stdenv
   , fetchurl
   , fetchpatch
  +, fetchFromGitLab
   , cairo
   , cmake
   , pcre
  
positive.code: 
  let
    mkFlag = optset: flag: "-DENABLE_${flag}=${if optset then "on" else "off"}";
  in
  stdenv.mkDerivation rec {
    pname = "poppler-${suffix}";
    version = "22.08.0"; # beware: updates often break cups-filters build, check texlive and scribus too!
  
  
negative.code:     sed -i -e '1i cmake_policy(SET CMP0025 NEW)' CMakeLists.txt
    '';
  
    doCheck = true;
  
    passthru = {
      inherit testData;
      tests = {
        # These depend on internal poppler code that frequently changes.
        inherit inkscape cups-filters texlive scribus;
  