Dockerfile.toolchain

FROM ubuntu:22.04

RUN apt-get update -qq && \
    DEBIAN_FRONTEND="noninteractive" apt-get install -qqy --no-install-recommends \
    git wget bzip2 file unzip libtool pkg-config cmake build-essential \
    automake yasm gettext autopoint vim-tiny python3 python3-distutils \
    ninja-build ca-certificates curl less zip && \
    apt-get clean -y && \
    rm -rf /var/lib/apt/lists/*


RUN git config --global user.name "LLVM MinGW" && \
    git config --global user.email root@localhost

WORKDIR /build

ENV TOOLCHAIN_PREFIX=/opt/llvm-mingw

ARG TOOLCHAIN_ARCHS="i686 x86_64 armv7 aarch64"

# Copy prebuilt toolchains for the current architecture.
# Test executing a binary, to make sure that it works (i.e. it is not built
# requiring a newer version of glibc or libstdc++ than what is available in
# this container).
RUN --mount=type=bind,source=toolchain,target=/toolchain \
    mkdir -p $TOOLCHAIN_PREFIX && ARCH=$(uname -m) && \
    tar xf /toolchain/linux-ucrt-$ARCH-toolchain/llvm-mingw-*-$ARCH.tar.xz --strip-components 1 -C $TOOLCHAIN_PREFIX && \
    ANY_ARCH=$(echo $TOOLCHAIN_ARCHS | awk '{print $1}') && \
    $TOOLCHAIN_PREFIX/bin/$ANY_ARCH-w64-mingw32-clang --version

ENV PATH=$TOOLCHAIN_PREFIX/bin:$PATH