anchor.diff:  
       outputHashMode = "recursive";
       outputHashAlgo = "sha256";
  -    outputHash = "1v3h0c7kfifb6wsfxyv5j1wc7rlxbb7r0pgd4s340wiyxnllzzhk";
  +    outputHash = "1bk3yd10cq6vlgmh2qawl82m29yi5zcbsdlz17xyy76sg2ka622a";
     };
   
     configureFlags =
  
positive.code: { stdenv, writeScriptBin, lib, fetchurl, git, cacert
  , erlang, openssl, expat, libyaml, bash, gnused, gnugrep, coreutils, utillinux, procps, gd
  , flock
  , withMysql ? false
  
negative.code:       -e 's,\(^ *JOT=\).*,\1,' \
        -e 's,\(^ *CONNLOCKDIR=\).*,\1/var/lock/ejabberdctl,' \
        $out/sbin/ejabberdctl
      wrapProgram $out/lib/eimp-*/priv/bin/eimp --prefix LD_LIBRARY_PATH : "${stdenv.lib.makeLibraryPath [ libpng libjpeg libwebp ]}"
    '';
  
    meta = with stdenv.lib; {
  