anchor.diff:  # Copyright 2014 The Go Authors. All rights reserved.
   # Use of this source code is governed by a BSD-style
   # license that can be found in the LICENSE file.
  +
  +# Linux builder VM for gccgo
  +# Docker tag gobuilders/linux-x86-gccgo
   
   FROM debian:wheezy
   MAINTAINER golang-dev <golang-dev@googlegroups.com>
  
positive.code: RUN apt-get install -y --no-install-recommends gdb
  # For using numeric libraries within GCC.
  RUN apt-get install -y --no-install-recommends libgmp10-dev libmpc-dev libmpfr-dev
  # For building binutils and gcc from source.
  RUN apt-get install -y --no-install-recommends make g++ flex bison
  # Same as above, but for 32-bit builds as well.
  RUN apt-get install -y --no-install-recommends libc6-dev-i386 g++-multilib
  # For running the extended gccgo testsuite
  
negative.code: 
  ADD scripts/rc.local /etc/init.d/rc.local
  RUN chmod +x /etc/init.d/rc.local
  
  RUN rm -rf /var/lib/apt/lists /usr/share/doc 
  RUN (cd /usr/share/locale/ && ls -1 | grep -v en | xargs rm -rf)
  RUN rm -rf /var/cache/debconf/*
  RUN rm -rf /usr/share/man
  
  RUN (echo "auto lo"; echo "iface lo inet loopback"; echo "auto eth0"; echo "iface eth0 inet dhcp") > /etc/network/interfaces