anchor.diff:      sed -i configure \
         -e "s|PYTHON2_LIBDIR=.*|PYTHON2_LIBDIR=$out/lib/${
           python3Packages.python.libPrefix}|"
  +  '' + /* Upstream does not correctly implement autoconf flags */ ''
  +    sed -i configure \
  +      -e 's,/usr/share/unicode/ucd,${unicode-character-database}/share/unicode-character-database,g'
     '';
   
     preFixup = ''
  
positive.code: , libxi
  , libxkbcommon
  , python3Packages
  , vala
  , wayland
  , xorg
  
negative.code:     libxi
      libxkbcommon
      python3Packages.python
      unicode-character-database
      wayland
    ];
  
  