anchor.diff:  
   ENV PATH /usr/$ANDROID_CHAIN_ARM/bin:$PATH
   
  +# Bootstrap Golang
   ARG GOLANG_VERSION
   ENV GOLANG_VERSION ${GOLANG_VERSION:-1.5.1}
  +ENV PATH           /usr/local/go/bin:$PATH
  +ENV GOPATH         /go
   ADD script/go_bootstrap.sh /go_bootstrap.sh
   RUN /go_bootstrap.sh
   
  
positive.code: 
  RUN ln -s /usr/include/asm-generic /usr/include/asm
  
  # RUN	wget -O - http://llvm.org/apt/llvm-snapshot.gpg.key|apt-key add - && \
  # 	apt-get update && apt-get install -y --no-install-recommends \
  # 		clang-3.7 \
  # 		llvm-3.7-dev \
  	# && rm -rf /var/lib/apt/lists/*
  
  # Configure the Go environment, since it's not going to change
  ENV PATH   /usr/local/go/bin:$PATH
  ENV GOPATH /go
  
  # Inject the remote file fetcher and checksum verifier
  ADD script/fetch.sh /fetch.sh
  ENV FETCH /fetch.sh
  
  # Configure the container for OSX cross compilation
  # ENV OSX_SDK_PATH    https://s3.amazonaws.com/andrew-osx-sdks/MacOSX10.9.sdk.tar.xz
  # ENV OSX_SDK         MacOSX10.9.sdk
  
  RUN git clone https://github.com/tpoechtrager/osxcross.git
  
  
negative.code: RUN cd /osxcross/tarballs && \
  	tar -cf - * | xz -9 -c - > MacOSX$SDK_VERSION.sdk.tar.xz && \
  	rm -rf MacOSX$SDK_VERSION.sdk
  ENV MACOSX_DEPLOYMENT_TARGET $SDK_VERSION
  RUN UNATTENDED=yes SDK_VERSION=$SDK_VERSION OSX_VERSION_MIN=$SDK_VERSION /osxcross/build.sh
  
  ENV PATH /osxcross/target/bin:$PATH
  
  