anchor.diff:  
     installPhase = ''
       export HOME=$TMPDIR/fakehome
  -    export POPPLER_INC_DIR=${poppler}/include/poppler
  -    export POPPLER_LIB_DIR=${poppler}/lib
  +    export POPPLER_INC_DIR=${poppler_utils}/include/poppler
  +    export POPPLER_LIB_DIR=${poppler_utils}/lib
       export MAGICK_INC=${imagemagick}/include/ImageMagick
       export MAGICK_LIB=${imagemagick}/lib
       export FC_INC_DIR=${fontconfig}/include/fontconfig
  
positive.code:     for a in $out/bin/*; do
        wrapProgram $a --prefix PYTHONPATH : $PYTHONPATH \
                       --prefix LD_LIBRARY_PATH : ${unrar}/lib \
                       --prefix PATH : ${poppler}/bin
      done
    '';
  
  
negative.code: { stdenv, fetchurl, python, pyqt5, sip_4_16, poppler_utils, pkgconfig, libpng
  , imagemagick, libjpeg, fontconfig, podofo, qt5, icu, sqlite
  , pil, makeWrapper, unrar, chmlib, pythonPackages, xz, libusb1, libmtp
  , xdg_utils
  