anchor.diff:        rm -rf $out/share/lua/${lua.luaversion}/cjson/tests
       '';
       installTargets = "install install-extra";
  +    disabled = isLuaJIT;
       meta = {
         description = "Lua C extension module for JSON support";
         license = stdenv.lib.licenses.mit;
  
positive.code:         LUA_INC="-I${lua}/include" LUA_CDIR="$out/lib/lua/${lua.luaversion}"
          EXPAT_INC="-I${expat.dev}/include");
      '';
  
      meta = {
        homepage = "http://matthewwild.co.uk/projects/luaexpat";
  
negative.code:     buildInputs = [ unzip zziplib ];
      patches = [ ../development/lua-modules/zip.patch ];
      # does not currently work under lua 5.2
      disabled = isLua52 || isLuaJIT;
      meta = {
        homepage = "https://github.com/luaforge/luazip";
        platforms = stdenv.lib.platforms.linux;
  