Dockerfile.linux-armv7

FROM rust:1.68.2 AS builder

LABEL org.opencontainers.image.description="SensorFu's Rust build container for armv7 musl"
LABEL org.opencontainers.image.source=https://github.com/sensorfu/rust-env

ENV TARGET="armv7-unknown-linux-musleabihf"

ARG LIBRESSL=libressl-3.6.2

ARG TOOLCHAIN_ARM7="armv7-eabihf--musl--stable-2020.02-2"
ARG TC_ARM7_URL="https://toolchains.bootlin.com/downloads/releases/toolchains/armv7-eabihf/tarballs/${TOOLCHAIN_ARM7}.tar.bz2"

WORKDIR /opt
RUN curl -f -o- ${TC_ARM7_URL} | tar -xjf -

RUN ln -s /opt/${TOOLCHAIN_ARM7} /opt/arm7

ENV PATH="${PATH}:/opt/arm7/bin"

ENV CC_armv7_unknown_linux_musleabihf=arm-buildroot-linux-musleabihf-gcc
ENV CXX_armv7_unknown_linux_musleabihf=arm-buildroot-linux-musleabihf-g++
ENV LD_armv7_unknown_linux_musleabihf=arm-buildroot-linux-musleabihf-ld

WORKDIR /work

COPY sigs/* ./
RUN gpg --no-tty --import libressl.asc

RUN curl -fO https://cdn.openbsd.org/pub/OpenBSD/LibreSSL/${LIBRESSL}.tar.gz && \
    gpg --no-tty --verify ${LIBRESSL}.tar.gz.asc ${LIBRESSL}.tar.gz && \
    tar zxf ${LIBRESSL}.tar.gz && \
    cd ${LIBRESSL} && \
    CC=${CC_armv7_unknown_linux_musleabihf} \
    CXX=${CXX_armv7_unknown_linux_musleabihf} \
    LD=${LD_armv7_unknown_linux_musleabihf} \
    ./configure --prefix=/opt/libressl --host=armv7-linux-musleabihf --enable-shared=no --sysconfdir=/etc && \
    make V=1 -j4 && \
    make install

FROM rust:1.68.2-slim

ENV TARGET="armv7-unknown-linux-musleabihf"

RUN rustup target add ${TARGET}
COPY cargo.config "${CARGO_HOME}/config"

ARG DEBIAN_FRONTEND=noninteractive
RUN apt-get -y update && \
    apt-get -y install \
        bison \
        clang \
        file \
        flex \
        make \
        protobuf-compiler \
    && \
    rm -rf /var/lib/apt/lists/*

COPY --from=builder /opt /opt

ENV PATH="${PATH}:/opt/arm7/bin"

ENV CC_armv7_unknown_linux_musleabihf=arm-buildroot-linux-musleabihf-gcc
ENV CXX_armv7_unknown_linux_musleabihf=arm-buildroot-linux-musleabihf-g++
ENV LD_armv7_unknown_linux_musleabihf=arm-buildroot-linux-musleabihf-ld

ENV ARMV7_UNKNOWN_LINUX_MUSLEABIHF_OPENSSL_LIB_DIR=/opt/libressl/lib
ENV ARMV7_UNKNOWN_LINUX_MUSLEABIHF_OPENSSL_INCLUDE_DIR=/opt/libressl/include

WORKDIR /