anchor.diff:          --install-dir=/android/ndk-x86_64 \
           --ndk-dir=/build/android-ndk-r10e \
           --arch=x86_64
  +RUN rm -rf ./android-ndk-r10e-linux-x86_64.bin ./android-ndk-r10e
   
   # Prep the SDK and emulator
   #
  
positive.code: # which apparently magically accepts the licenses.
  RUN curl -O http://dl.google.com/android/android-sdk_r24.3.4-linux.tgz
  RUN tar xf android-sdk_r24.3.4-linux.tgz
  COPY android/android-accept-licenses.sh /build/android-accept-licenses.sh
  RUN mv android-sdk-linux /android/sdk
  RUN ["./android-accept-licenses.sh", \
       "android - update sdk -a --no-ui --filter platform-tools,android-18,android-21,sys-img-x86-android-18,sys-img-x86_64-android-21,sys-img-armeabi-v7a-android-18"]
  RUN echo "no" | android create avd \
  
negative.code: # Setup PATH to allow running android tools.
  ENV PATH=$PATH:/android/ndk-arm/bin:/android/ndk-aarch64/bin:/android/ndk-x86:/android/sdk/tools:/android/sdk/platform-tools
  
  WORKDIR /android
  RUN chown rustbuild:rustbuild /android
  USER rustbuild
  
  # Prep the Android NDK
  #
  