FROM scratch AS base
ENV VERSION=1.2.12
ENV SRC_HASH=4868cd908627279da5a634f468701625be8cc251d84262c7e5b6a218391ad0d2
ENV SRC_FILE=alsa-lib-${VERSION}.tar.bz2
ENV SRC_SITE=https://alsa-project.org/files/pub/lib/${SRC_FILE}

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

FROM fetch AS build
COPY --from=stagex/busybox . /
COPY --from=stagex/gcc . /
COPY --from=stagex/binutils . /
COPY --from=stagex/linux-headers . /
COPY --from=stagex/make . /
COPY --from=stagex/musl . /
RUN tar -xf ${SRC_FILE}
WORKDIR alsa-lib-${VERSION}
RUN --network=none <<-EOF
	set -eux; \
	./configure \
        --build=x86_64-linux-musl \
        --host=x86_64-linux-musl \
		--prefix=/usr \
		--libdir=/usr/lib \
        --disable-python \
        --disable-static \
        --disable-resmgr \
        --enable-rawmidi \
        --enable-seq \
        --enable-aload \
        --disable-dependency-tracking \
        --without-versioned
	make -j "$(nproc)"
EOF

FROM build AS install
RUN --network=none make DESTDIR=/rootfs install

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