anchor.diff:      libarchive
       libsoup
       libyaml
  -    pango
  -    sqlite
       util-linux_lib
     ];
   
  -  configureFlags = [
  -    "--enable-largefile"
  -    "--${boolEn (gobject-introspection != null)}-introspection"
  -    "--enable-nls"
  -    "--enable-rpath"
  -    "--disable-gtk-doc"
  -    "--disable-gtk-doc-html"
  -    "--disable-gtk-doc-pdf"
  -    "--enable-firmware"
  -    "--enable-fonts"
  -    "--enable-builder"
  -    "--disable-rpm"
  -    # Flag is not a boolean
  -    #"--disable-alpm"
  -    "--disable-man"
  -    "--enable-dep11"
  -    #"--${boolEn (snowball-stemmer != null)}-stemmer"
  +  mesonFlags = [
  +    "-Denable-rpm=false"
  +    "-Denable-stemmer=false"
     ];
   
     meta = with lib; {
  
positive.code: { stdenv
  #, docbook_xml_dtd_43
  #, docbook-xsl
  , fetchurl
  , gettext
  , gperf
  , intltool
  , lib
  
  , fontconfig
  , freetype
  
negative.code:     boolEn;
  in
  stdenv.mkDerivation rec {
    name = "appstream-glib-0.7.0";
  
    src = fetchurl {
      url = "https://people.freedesktop.org/~hughsient/appstream-glib/"
        + "releases/${name}.tar.xz";
      multihash = "Qmb4Z1eSy4UpvXTHfn3KpVrLh6P4Kf1nqb65NgwCF6n2cf";
      sha256 = "08c3655a54af958263800f1f4a5ef4e6a1da4e6db2432006b1ea07b94f4bc106";
    };
  
    nativeBuildInputs = [
      docbook_xml_dtd_42
      docbook-xsl
      gettext
      gperf
      libxslt
      meson
      ninja
    ];
  
    buildInputs = [
  