anchor.diff:      homepage = "https://github.com/hughsie/libxmlb";
       license = licenses.lgpl21Plus;
       maintainers = with maintainers; [ jtojnar ];
  -    platforms = platforms.linux;
  +    platforms = platforms.unix;
     };
   }
  
positive.code: 
    patches = [
      ./installed-tests-path.patch
    ];
  
    nativeBuildInputs = [
  
negative.code: { stdenv
  , lib
  , fetchFromGitHub
  , fetchpatch
  , docbook_xml_dtd_43
  , docbook_xsl
  , glib
  