FROM scratch AS base
ENV VERSION=1.7.0
ENV SRC_HASH=29edce3d302a15563d8663198bbc398c5a0554765c83830d0d4c0409d21a16c4
ENV SRC_FILE=dtc-${VERSION}.tar.xz
ENV SRC_SITE=https://kernel.org/pub/software/utils/dtc/${SRC_FILE}

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

FROM fetch AS build
COPY --from=stagex/busybox . /
COPY --from=stagex/musl . /
COPY --from=stagex/make . /
COPY --from=stagex/binutils . /
COPY --from=stagex/linux-headers . /
COPY --from=stagex/perl . /
COPY --from=stagex/m4 . /
COPY --from=stagex/gcc . /
COPY --from=stagex/bison . /
COPY --from=stagex/openssl . /
COPY --from=stagex/libzstd . /
COPY --from=stagex/zlib . /
COPY --from=stagex/flex . /
COPY --from=stagex/pkgconf . /
COPY --from=stagex/coreutils . /
COPY --from=stagex/python . /
COPY --from=stagex/py-setuptools . /
RUN tar -xf ${SRC_FILE}
WORKDIR dtc-${VERSION}
RUN --network=none <<-EOF
	set -eux
    sed -i s:-Werror::g Makefile
	sed -i "s|@VERSION@|${VERSION}|" setup.py
    make -j "$(nproc)"
EOF

FROM build AS install
RUN <<-EOF
	set -eux
    make DESTDIR=/rootfs PREFIX=/usr install
EOF

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