| # Copyright 2020 Google LLC | 
 | # | 
 | # Licensed under the Apache License, Version 2.0 (the "License"); | 
 | # you may not use this file except in compliance with the License. | 
 | # You may obtain a copy of the License at | 
 | # | 
 | #      https://www.apache.org/licenses/LICENSE-2.0 | 
 | # | 
 | # Unless required by applicable law or agreed to in writing, software | 
 | # distributed under the License is distributed on an "AS IS" BASIS, | 
 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 | # See the License for the specific language governing permissions and | 
 | # limitations under the License. | 
 |  | 
 | # An image for cross-compiling IREE towards Android using CMake. | 
 |  | 
 | ARG NDK_VERSION=r21d | 
 |  | 
 | FROM gcr.io/iree-oss/util AS install-ndk | 
 | ARG NDK_VERSION | 
 | WORKDIR /install-ndk | 
 |  | 
 | RUN wget "https://dl.google.com/android/repository/android-ndk-${NDK_VERSION?}-linux-x86_64.zip" | 
 |  | 
 | RUN unzip "android-ndk-${NDK_VERSION?}-linux-x86_64.zip" -d /usr/src/ | 
 |  | 
 | FROM gcr.io/iree-oss/cmake AS final | 
 | ARG NDK_VERSION | 
 | COPY --from=install-ndk "/usr/src/android-ndk-${NDK_VERSION}" "/usr/src/android-ndk-${NDK_VERSION}" | 
 | ENV ANDROID_NDK "/usr/src/android-ndk-${NDK_VERSION}" |