anchor.diff:  ## Download and Build nanomsg
   RUN mkdir -p /software/nanomsg/build
   WORKDIR /software/nanomsg/build
  -RUN wget http://download.nanomsg.org/nanomsg-0.3-beta.tar.gz && \
  +RUN wget --no-verbose http://download.nanomsg.org/nanomsg-0.3-beta.tar.gz && \
       tar -xvzf nanomsg-0.3-beta.tar.gz && \
       ./nanomsg-0.3-beta/configure --prefix /software/nanomsg && \
       make && make install && \
  
positive.code: RUN apt-get install -y ocaml opam camlp4-extra
  
  # Install GHC and cabal
  ADD haskell-platform-2014.2.0.0-unknown-linux-x86_64.tar.gz /
  RUN /usr/local/haskell/ghc-7.8.3-x86_64/bin/activate-hs && \
      cabal update && \
      cabal install cabal-install
  
negative.code: 
  ## Install Clang 3.4, Boost and utilities
  RUN apt-get install -y \
        wget vim emacs make git mercurial \
        zlib1g-dev libreadline6 libreadline6-dev libncurses5-dev libgmp-dev \
        clang-3.4 libboost1.55-all-dev 
  
  