Dockerfile.cross

FROM --platform=linux/amd64 rust:1.82.0-bookworm

# Install build dependencies
RUN apt-get update \
  && apt install -y clang gcc g++ zlib1g-dev libmpc-dev libmpfr-dev libgmp-dev build-essential cmake \
  # Support for Windows cross-compile
  mingw-w64

## ADD MACOS SUPPORT

WORKDIR /opt

# Add macOS and Windows Rust targets
RUN rustup target add x86_64-apple-darwin aarch64-apple-darwin x86_64-pc-windows-gnu

# Build osxcross
# See https://github.com/tpoechtrager/osxcross/blob/master/build.sh#L31-L49 for SDK overview.
#
# SDK availability is tricky. There is 10.10 and 10.11. at
#   - https://s3.dockerproject.org/darwin/v2/MacOSX10.10.sdk.tar.xz
#   - https://s3.dockerproject.org/darwin/v2/MacOSX10.11.sdk.tar.xz
# and we have https://github.com/phracker/MacOSX-SDKs/releases.
# At some point we might want to use our own package.
RUN git clone https://github.com/tpoechtrager/osxcross \
  && cd osxcross \
  # Don't change file name when downloading because osxcross auto-detects the version from the name
  && wget -nc https://github.com/phracker/MacOSX-SDKs/releases/download/11.3/MacOSX11.3.sdk.tar.xz \
  && mv MacOSX11.3.sdk.tar.xz tarballs/ \
  && UNATTENDED=yes OSX_VERSION_MIN=10.15 ./build.sh \
  # Cleanups before Docker layer is finalized
  && rm -r tarballs/
RUN chmod +rx /opt/osxcross
RUN chmod +rx /opt/osxcross/target
RUN chmod -R +rx /opt/osxcross/target/bin

# RUN ls -l /opt/osxcross/target/bin
RUN /opt/osxcross/target/bin/x86_64-apple-darwin20.4-clang --version
RUN /opt/osxcross/target/bin/aarch64-apple-darwin20.4-clang --version

# allow non-root user to download more deps later
RUN chmod -R 777 /usr/local/cargo

## COPY BUILD SCRIPTS

WORKDIR /code

COPY guest/*.sh /usr/local/bin/
RUN chmod +x /usr/local/bin/*.sh

RUN mkdir /.cargo
RUN chmod +rx /.cargo
COPY guest/cargo-config.toml /.cargo/config.toml

CMD ["bash", "-c", "echo 'Argument missing. Pass one build script (e.g. build_macos.sh) to docker run' && exit 1"]