FROM scratch as base
ENV VERSION=1.6.3
ENV SRC_HASH=61f0b31b0d5ea0e862b454a80c170f57bad47879c0c42bd8de89200ff62ea210
ENV SRC_FILE=pkgconf-${VERSION}.tar.xz
ENV SRC_SITE=https://distfiles.ariadne.space/pkgconf/${SRC_FILE}

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

FROM fetch as build
COPY --from=busybox . /
COPY --from=gcc . /
COPY --from=binutils . /
COPY --from=make . /
COPY --from=musl . /
RUN tar -xf ${SRC_FILE}
WORKDIR pkgconf-${VERSION}
RUN --network=none <<-EOF
	set -eux
	./configure \
		--prefix=/usr
	make
EOF

FROM build as install
RUN --network=none <<-EOF
	set -eux
	make DESTDIR=/rootfs install
	ln -s pkgconf /rootfs/usr/bin/pkg-config
EOF
RUN find /rootfs -exec touch -hcd "@0" "{}" +

FROM scratch as package
COPY --from=install /rootfs /