FROM scratch as base
ENV VERSION=5.38.0
ENV SRC_HASH=eca551caec3bc549a4e590c0015003790bdd1a604ffe19cc78ee631d51f7072e
ENV SRC_FILE=perl-${VERSION}.tar.xz
ENV SRC_SITE=https://www.cpan.org/src/5.0/${SRC_FILE}
ENV SOURCE_DATE_EPOCH=1

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 ${SRC_FILE}
WORKDIR perl-${VERSION}
RUN --network=none <<-EOF
	set -eux
	printf '
	osvers="gnulinux"
	myuname="dummy_uname"
	myhostname="builder"
	cf_by="builder"
	cf_time="0"
	' > config.over
    cat config.over
	./Configure \
		-des \
		-Dcccdlflags='-fPIC' \
		-Dccdlflags='-rdynamic' \
		-Dprefix=/usr \
		-Dvendorprefix=/usr \
		-Dvendorlib=/usr/share/perl5/vendor_perl \
		-Dvendorarch=/usr/lib/perl5/vendor_perl \
		-Dsiteprefix=/usr/local \
		-Dsitelib=/usr/local/share/perl5/site_perl \
		-Dsitearch=/usr/local/lib/perl5/site_perl \
		-Dlocincpth=' ' \
		-Duselargefiles \
		-Dusethreads \
		-Duseshrplib \
		-Dcc=gcc \
		-Dd_semctl_semun \
		-Dman1dir=/usr/share/man/man1 \
		-Dman3dir=/usr/share/man/man3 \
		-Dinstallman1dir=/usr/share/man/man1 \
		-Dinstallman3dir=/usr/share/man/man3 \
		-Dman1ext='1' \
		-Dman3ext='3pm' \
		-Ud_csh \
		-Ud_fpos64_t \
		-Ud_off64_t \
		-Dusenm
	make
EOF

FROM build as install
RUN --network=none make DESTDIR=/rootfs install
RUN find /rootfs -exec touch -hcd "@0" "{}" +

FROM scratch as test
COPY --from=install /rootfs /
COPY --from=musl . /
COPY <<-EOF test.pl
	use strict;
	use warnings;
	print("Success\n");
EOF
RUN perl test.pl | grep "Success"

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