anchor.diff:  ENV CXX /opt/rh/devtoolset-2/root/usr/bin/g++
   ENV CC /opt/rh/devtoolset-2/root/usr/bin/cc
   
  -RUN mkdir pgp_keys
  +RUN mkdir gpg_keys
   
   COPY gpg_keys/ gpg_keys/
   
  
positive.code:             unzip \
              wget
              
  RUN cd /tmp & curl -L -O http://ftp.gnu.org/gnu/autoconf/autoconf-2.69.tar.gz \
              & tar zxf autoconf-2.69.tar.gz \
              & cd autoconf-2.69 \
              & ./configure \
              & make && make install \
              & cd /tmp
              & rm -rf autoconf-2.69
  
  RUN curl -L https://people.centos.org/tru/devtools-2/devtools-2.repo -o /etc/yum.repos.d/devtools-2.repo && yum install -y devtoolset-2-gcc devtoolset-2-binutils devtoolset-2-gcc-c++
  
  
negative.code: 
  RUN cd /tmp/libzmq && make install && ldconfig
  
  RUN cd /tmp && rm -rf libzmq libsodium
  
  RUN curl -LO  http://botan.randombit.net/releases/Botan-1.10.17.tgz \
   && curl -LO  http://botan.randombit.net/releases/Botan-1.10.17.tgz.asc \
  