Dockerfile.mips-unknown-linux-musl

FROM ubuntu:20.04 as cross-base
ENV DEBIAN_FRONTEND=noninteractive

COPY common.sh lib.sh /
RUN /common.sh

COPY cmake.sh /
RUN /cmake.sh

COPY xargo.sh /
RUN /xargo.sh

FROM cross-base as build

COPY qemu.sh /
RUN /qemu.sh mips

# this is a soft-float target for the mips32r2 architecture
# https://github.com/rust-lang/rust/blob/75d3027fb5ce1af6712e4503c9574802212101bd/compiler/rustc_target/src/spec/mips_unknown_linux_musl.rs#L7
COPY musl.sh /
RUN /musl.sh \
    TARGET=mips-linux-muslsf \
    "COMMON_CONFIG += -with-arch=mips32r2"

ENV CROSS_TOOLCHAIN_PREFIX=mips-linux-muslsf-
ENV CROSS_SYSROOT=/usr/local/mips-linux-muslsf
COPY musl-symlink.sh /
RUN /musl-symlink.sh $CROSS_SYSROOT mips-sf

COPY qemu-runner base-runner.sh /
COPY toolchain.cmake /opt/toolchain.cmake

ENV CROSS_TARGET_RUNNER="/qemu-runner mips"
ENV CARGO_TARGET_MIPS_UNKNOWN_LINUX_MUSL_LINKER="$CROSS_TOOLCHAIN_PREFIX"gcc \
    CARGO_TARGET_MIPS_UNKNOWN_LINUX_MUSL_RUNNER="$CROSS_TARGET_RUNNER" \
    AR_mips_unknown_linux_musl="$CROSS_TOOLCHAIN_PREFIX"ar \
    CC_mips_unknown_linux_musl="$CROSS_TOOLCHAIN_PREFIX"gcc \
    CXX_mips_unknown_linux_musl="$CROSS_TOOLCHAIN_PREFIX"g++ \
    CMAKE_TOOLCHAIN_FILE_mips_unknown_linux_musl=/opt/toolchain.cmake \
    BINDGEN_EXTRA_CLANG_ARGS_mips_unknown_linux_musl="--sysroot=$CROSS_SYSROOT" \
    QEMU_LD_PREFIX="$CROSS_SYSROOT" \
    RUST_TEST_THREADS=1 \
    CROSS_CMAKE_SYSTEM_NAME=Linux \
    CROSS_CMAKE_SYSTEM_PROCESSOR=mips \
    CROSS_CMAKE_CRT=musl \
    CROSS_CMAKE_OBJECT_FLAGS="-ffunction-sections -fdata-sections -fPIC"

RUN sed -e "s#@DEFAULT_QEMU_LD_PREFIX@#$QEMU_LD_PREFIX#g" -i /qemu-runner