anchor.diff:        (lib.enableFeature withPam "pam")
         (lib.enableFeature withZlib "zlib")
         (lib.enableFeature withRiak "riak")
  -      (lib.enableFeature withElixir "elixir")
         (lib.enableFeature withIconv "iconv")
         (lib.enableFeature withTools "tools")
         (lib.enableFeature withRedis "redis")
  
positive.code:       -e 's,\(^ *CONNLOCKDIR=\).*,\1/var/lock/ejabberdctl,' \
        $out/sbin/ejabberdctl
      wrapProgram $out/lib/eimp-*/priv/bin/eimp --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath [ libpng libjpeg libwebp ]}"
    '';
  
    meta = with lib; {
  
negative.code:     homepage = "https://www.ejabberd.im";
      platforms = platforms.linux;
      maintainers = with maintainers; [ sander abbradar ];
    };
  }
  