anchor.diff:  { stdenv
  -, autoreconfHook
   , fetchTritonPatch
   , fetchurl
   , gettext
  -, gtk-doc
   , intltool
   , lib
   , makeWrapper
  +, meson
  +, ninja
   
   , adwaita-icon-theme
   , atk
  
positive.code:   };
  
    nativeBuildInputs = [
      autoreconfHook
      gettext
      gtk-doc  # autoreconf
      intltool
      makeWrapper
    ];
  
    buildInputs = [
  
negative.code:   #   })
    # ];
  
    postPatch = /* FIXME: i18n.merge_file in meson is failing with permission denied */ ''
      sed -i data/meson.build \
        -e 's/install: true/install: false/g'
    '';
  
    mesonFlags = [
      "-Denable-profiling=false"
      "-Denable-nst-extension=true"
      "-Denable-exif=${boolTf (libexif != null)}"
      "-Denable-xmp=${boolTf (exempi != null)}"
      "-Denable-selinux=false"  # FIXME
      "-Denable-desktop=true"
      "-Denable-packagekit=false"
      "-Denable-tracker=${boolTf (tracker != null)}"  # FIXME: remove next release
      "-Denable-gtk-doc=false"
    ];
  
    preFixup = ''
  