boost

FROM scratch AS build
COPY --from=stagex/core-busybox . /
COPY --from=stagex/core-llvm . /
COPY --from=stagex/core-musl . /
COPY --from=stagex/core-zlib . /
COPY --from=stagex/core-bzip2 . /
COPY --from=stagex/core-icu . /
COPY --from=stagex/core-linux-headers . /
COPY --from=stagex/core-xz . /
COPY --from=stagex/core-libzstd . /
COPY --from=stagex/core-python . /

ARG VERSION_UNDER
ARG TARGETARCH
ADD fetch/boost_${VERSION_UNDER}.tar.bz2 .
WORKDIR /boost_${VERSION_UNDER}

ENV CC="clang"
ENV CXX="clang++"
ENV CFLAGS="-Os -fstack-clash-protection -Wformat -Werror=format-security --ld-path=/usr/bin/ld.lld"
ENV CXXFLAGS="-Os -fstack-clash-protection -Wformat -Werror=format-security"
ENV CXXFLAGS="$CXXFLAGS -D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS=1 -D_LIBCPP_ENABLE_HARDENED_MODE=1"
ENV LDFLAGS="-Wl,--as-needed,-O1,--sort-common"
ENV abiflags="$(python3-config --abiflags)"
ENV LIBCC="/usr/lib/libclang_rt.builtins.a"

RUN cat > user-config.jam <<-EOF
        using clang : : ${CXX} : <cflags>"${CFLAGS}" <cxxflags>"${CXXFLAGS}" <linkflags>"${LDFLAGS}" ;
        using python : ${PY3_VERSION} : /usr/bin/python3 : /usr/include/python${PY3_VERSION}${abiflags} : : : : ${abiflags} ;
EOF

RUN --network=none <<-EOF
	set -eux
	PY3_FULL="$(python3 --version 2>&1 | cut -d' ' -f2)"
	PY3_VERSION="${PY3_FULL%.*}"
	[[ "$TARGETARCH" == "amd64" ]] \
		&& ARCH="x86_64" \
		&& BOOST_ARCH="$ARCH"
	[[ "$TARGETARCH" == "arm64" ]] \
		&& ARCH="aarch64" \
		&& BOOST_ARCH="$TARGETARCH"
	ln -s "/lib/clang/20/lib/$ARCH-unknown-linux-musl" "/lib/clang/20/lib/$BOOST_ARCH-pc-linux"
	ln -sf /usr/bin/ld.lld /usr/bin/ld

	(
	 cd "./tools/build"
	 ./bootstrap.sh --cxxflags="$CXXFLAGS $LDFLAGS"
	)

	(
	 cd "./tools/bcp"
	 ../build/b2 -j$(nproc) toolset=clang
	)

	./bootstrap.sh --with-toolset=clang --with-icu --with-python=python3
	./b2 \
		-j$(nproc) \
		--user-config=./user-config.jam \
		--prefix=/rootfs/usr \
		--libdir=/rootfs/usr/lib \
		--includedir=/rootfs/usr/include \
		release \
		python=${PY3_VERSION} \
		toolset=clang \
		cflags=-fno-strict-aliasing \
		threading=multi \
		debug-symbols=off \
		runtime-link=shared \
		link=shared,static \
		--layout=system \
		install
	install -Dm644 -t /rootfs/usr/share/licenses/boost/ LICENSE_1_0.txt
EOF

FROM stagex/core-filesystem AS package
COPY --from=build /rootfs /