anchor.diff:      zlib
     ];
   
  -  configureFlags = [
  -    "--disable-maintainer-mode"
  -    "--enable-nls"
  -    "--enable-rpath"
  -    "--disable-fatal-warnings"
  -    "--disable-extra-checks"
  -    "--disable-debug"
  -    "--disable-profiling"
  -    "--disable-valgrind"
  -    "--disable-gcov"
  -    "--disable-examples"
  -    "--enable-external"
  -    "--enable-experimental"
  -    "--enable-largefile"
  -    "--${boolEn (gobject-introspection != null)}-introspection"
  -    "--disable-gtk-doc"
  -    "--disable-gtk-doc-html"
  -    "--disable-gtk-doc-pdf"
  -    "--enable-gobject-cast-checks"
  -    "--disable-glib-asserts"
  -    "--${boolEn (orc != null)}-orc"
  -    "--enable-Bsymbolic"
  -    "--disable-static-plugins"
  -    "--enable-adder"
  -    "--enable-app"
  -    "--enable-audioconvert"
  -    "--enable-audiorate"
  -    "--enable-audiotestsrc"
  -    "--enable-encoding"
  -    "--enable-videoconvert"
  -    "--enable-gio"
  -    "--enable-playback"
  -    "--enable-audioresample"
  -    "--enable-rawparse"
  -    "--enable-subparse"
  -    "--enable-tcp"
  -    "--enable-typefind"
  -    "--enable-videotestsrc"
  -    "--enable-videorate"
  -    "--enable-videoscale"
  -    "--enable-volume"
  -    "--${boolEn (iso-codes != null)}-iso-codes"
  -    "--${boolEn (zlib != null)}-zlib"
  -    "--${boolEn (libx11 != null)}-x"
  -    "--${boolEn (xorg.libXv != null)}-xvideo"
  -    "--${boolEn (libxext != null)}-xshm"
  -    "--${boolEn (alsa-lib != null)}-alsa"
  -    "--${boolEn (cdparanoia != null)}-cdparanoia"
  -    "--disable-ivorbis"
  -    "--${boolEn (libvisual != null)}-libvisual"
  -    "--${boolEn (libogg != null)}-ogg"
  -    "--${boolEn (opus != null)}-opus"
  -    "--${boolEn (pango != null)}-pango"
  -    "--${boolEn (libtheora != null)}-theora"
  -    "--${boolEn (libvorbis != null)}-vorbis"
  -    "--with-audioresample-format=float"
  +  postPatch = ''
  +    patchShebangs gst-libs/gst/tag/tag_mkenum.py
  +    patchShebangs gst-libs/gst/video/video_mkenum.py
  +    patchShebangs gst-libs/gst/audio/audio_mkenum.py
  +    patchShebangs gst-libs/gst/rtp/rtp_mkenum.py
  +    patchShebangs gst-libs/gst/rtsp/rtsp_mkenum.py
  +    patchShebangs gst-libs/gst/pbutils/pbutils_mkenum.py
  +    patchShebangs gst-libs/gst/app/app_mkenum.py
  +  '';
  +
  +  mesonFlags = [
  +    "-Daudioresample_format=float"
  +    "-Ddisable_examples=true"
  +    "-Duse_orc=yes"
  +    "-Ddisable_introspection=false"
  +    "-Ddisable_gtkdoc=false"
     ];
   
     passthru = {
  
positive.code: 
    nativeBuildInputs = [
      gettext
      python3
    ];
  
  
negative.code: , fetchurl
  , gettext
  , lib
  , meson
  , ninja
  , python3
  
  , alsa-lib
  