content: FROM crazymax/osxcross:14.5-debian AS osxcross
  
  FROM debian:bookworm
  
  COPY --from=osxcross /osxcross /osxcross
  
  RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
  	apt-get install --no-install-recommends -qyy \
  		golang-go \
  		clang \
  		lld \
  		libc6-dev \
  		openssl \
  		bzip2 \
  		ca-certificates \
  		curl \
  		pkg-config git && \
      apt-get clean
  
  ENV PATH="/osxcross/bin:$PATH"
  ENV LD_LIBRARY_PATH="/osxcross/lib:$LD_LIBRARY_PATH"
  
  # The oldest macOS target with a working Qt 5.15 build on macports.org is High
  # Sierra (10.13)
  # @ref https://ports.macports.org/port/qt5-qtbase/details/
  #
  # Go 1.19 and Go 1.20 are the last versions of Go that can target macOS 10.13.
  # For later versions of Go, a higher MACOSX_DEPLOYMENT_TARGET version can be set.
  # @ref https://tip.golang.org/doc/go1.20#darwin
  ENV MACOSX_DEPLOYMENT_TARGET=10.13
  
  # Preemptively mark some dependencies as installed that don't seem to download properly
  RUN /usr/bin/env UNATTENDED=1 osxcross-macports fake-install py312 py312-packaging xorg xrender
  
  # Install Qt 5.15 and dependencies
  RUN /usr/bin/env UNATTENDED=1 osxcross-macports install qt5-qtbase
  
  RUN rmdir /opt/ && \
  	ln -s /osxcross/macports/pkgs/opt /opt
  
  ENV CC=x86_64-apple-darwin23.6-clang
  ENV CXX=x86_64-apple-darwin23.6-clang++
  ENV GOOS=darwin
  ENV GOARCH=amd64
  ENV CGO_ENABLED=1
  ENV PKG_CONFIG_PATH=/opt/local/libexec/qt5/lib/pkgconfig/
  ENV CGO_CXXFLAGS="-Wno-ignored-attributes -D_Bool=bool"
  