ci/docker/Dockerfile.build.android_armv7

# -*- mode: dockerfile -*-
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# Dockerfile to build MXNet for Android ARMv7

FROM ubuntu:20.04

ENV ARCH=armv7l \
    HOSTCC=gcc \
    HOSTCXX=g++ \
    TARGET=ARMV7

WORKDIR /usr/local

RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
    build-essential \
    ninja-build \
    cmake \
    ccache \
    git \
    curl \
    unzip \
 && rm -rf /var/lib/apt/lists/*

RUN curl -o android-ndk-r19-linux-x86_64.zip -L https://dl.google.com/android/repository/android-ndk-r19-linux-x86_64.zip && \
    unzip android-ndk-r19-linux-x86_64.zip && \
    rm android-ndk-r19-linux-x86_64.zip
ENV CMAKE_TOOLCHAIN_FILE=/usr/local/android-ndk-r19/build/cmake/android.toolchain.cmake

RUN git clone --recursive -b v0.3.9 https://github.com/xianyi/OpenBLAS.git && \
    mkdir /usr/local/openblas-android && \
    cd /usr/local/OpenBLAS && \
    export TOOLCHAIN=/usr/local/android-ndk-r19/toolchains/llvm/prebuilt/linux-x86_64 && \
    make NOFORTRAN=1 ARM_SOFTFP_ABI=1 NO_SHARED=1 \
        LDFLAGS="-L/usr/local/android-ndk-r19/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/lib/gcc/arm-linux-androideabi/4.9.x -lm" \
        CC=$TOOLCHAIN/bin/armv7a-linux-androideabi16-clang AR=$TOOLCHAIN/bin/arm-linux-androideabi-ar && \
    make PREFIX=/usr/local/openblas-android NO_SHARED=1 install && \
    cd /usr/local && \
    rm -rf OpenBLAS
ENV OpenBLAS_HOME=/usr/local/openblas-android

ARG USER_ID=0
ARG GROUP_ID=0
COPY install/ubuntu_adduser.sh /work/
RUN /work/ubuntu_adduser.sh

COPY runtime_functions.sh /work/
WORKDIR /work/build