FROM scratch as base
ARG ARCH=x86_64
ENV VERSION=3.4.6
ENV SRC_HASH=b0dea9df23c863a7a50e825440f3ebffabd65df1497108e5d437747843895a4e
ENV SRC_FILE=libffi-${VERSION}.tar.gz
ENV SRC_SITE=https://github.com/libffi/libffi/releases/download/v${VERSION}/${SRC_FILE}

FROM base as fetch
ADD --checksum=sha256:${SRC_HASH} ${SRC_SITE} .

FROM fetch as build
COPY --from=stagex/busybox . /
COPY --from=stagex/binutils . /
COPY --from=stagex/musl . /
COPY --from=stagex/make . /
COPY --from=stagex/gcc . /
RUN tar -xf ${SRC_FILE}
WORKDIR libffi-${VERSION}
RUN --network=none <<-EOF
	set -ex
	./configure \
		--build=${ARCH}-linux-musl \
		--host=${ARCH}-linux-musl \
		--prefix=/usr \
        --enable-pax_emutrap \
        --enable-portable-binary \
        --disable-exec-static-tramp \
        --without-gcc-arch

	make -j "$(nproc)"
EOF

FROM build as install
RUN --network=none <<-EOF
    set -eu
    make DESTDIR="/rootfs" install
    mv /rootfs/usr/lib64/* /rootfs/usr/lib/
    rm -rf /rootfs/usr/lib64
    find /rootfs -exec touch -hcd "@0" "{}" +
EOF

FROM stagex/filesystem as package
COPY --from=install /rootfs/. /