anchor.diff:          erlang-parsetools erlang-percept erlang-typer \
           python-mysqldb \
           imagemagick \
  +        libgd3 \
  +        libwebp5 \
       ' \
       && echo "deb http://packages.erlang-solutions.com/debian wheezy contrib" >> /etc/apt/sources.list \
       && apt-key adv \
  
positive.code:         libyaml-dev \
          libsqlite3-dev \
          erlang-src erlang-dev \
      ' \
      && requiredAptPackages=' \
          wget \
  
negative.code:     PATH=$EJABBERD_HOME/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/sbin \
      DEBIAN_FRONTEND=noninteractive \
      XMPP_DOMAIN=localhost \
      LC_ALL=C.UTF-8 \
      LANG=en_US.UTF-8 \
      LANGUAGE=en_US.UTF-8
  