anchor.diff:      [
         "--cross-file=${crossFile}"
       ]
  -  );
  +  ) ++ lib.optionals (!stdenv.isLinux) [
  +    "-Dsystemd_user_services=false"
  +  ];
   
     doCheck = true;
   
  -  preCheck = ''
  -    # (tracker-store:6194): Tracker-CRITICAL **: 09:34:07.722: Cannot initialize database: Could not open sqlite3 database:'/homeless-shelter/.cache/tracker/meta.db': unable to open database file
  -    export HOME=$(mktemp -d)
  +  preCheck =
  +    let
  +      linuxDot0 = lib.optionalString stdenv.isLinux ".0";
  +      darwinDot0 = lib.optionalString stdenv.isDarwin ".0";
  +      extension = stdenv.hostPlatform.extensions.sharedLibrary;
  +    in
  +    ''
  +      # (tracker-store:6194): Tracker-CRITICAL **: 09:34:07.722: Cannot initialize database: Could not open sqlite3 database:'/homeless-shelter/.cache/tracker/meta.db': unable to open database file
  +      export HOME=$(mktemp -d)
   
  -    # Our gobject-introspection patches make the shared library paths absolute
  -    # in the GIR files. When running functional tests, the library is not yet installed,
  -    # though, so we need to replace the absolute path with a local one during build.
  -    # We are using a symlink that will be overridden during installation.
  -    mkdir -p $out/lib
  -    ln -s $PWD/src/libtracker-sparql/libtracker-sparql-3.0.so $out/lib/libtracker-sparql-3.0.so.0
  -  '';
  +      # Our gobject-introspection patches make the shared library paths absolute
  +      # in the GIR files. When running functional tests, the library is not yet installed,
  +      # though, so we need to replace the absolute path with a local one during build.
  +      # We are using a symlink that will be overridden during installation.
  +      mkdir -p $out/lib
  +      ln -s $PWD/src/libtracker-sparql/libtracker-sparql-3.0${darwinDot0}${extension} $out/lib/libtracker-sparql-3.0${darwinDot0}${extension}${linuxDot0}
  +    '';
   
     checkPhase = ''
       runHook preCheck
  
positive.code:     description = "Desktop-neutral user information store, search tool and indexer";
      maintainers = teams.gnome.members;
      license = licenses.gpl2Plus;
      platforms = platforms.linux;
    };
  }
  
negative.code:     json-glib
      libstemmer
      dbus
    ] ++ lib.optionals stdenv.isLinux [
      systemd
    ];
  
  