Perl 5.44.0 build recipe

github.com/Perl/perl5 (v5.44.0) at e634cc838fb1785dfafb5d13b52807ea16b5c52c

Fetched once, with the network on, by the vendor step (Dockerfile.vendor) when the kit was made; the offline build uses the kit's vendored copies:

• git https://github.com/Perl/perl5 v5.44.0
• https://cpan.metacpan.org/authors/id/M/MI/MIYAGAWA/App-cpanminus-1.7049.tar.gz
• https://cpan.metacpan.org/authors/id/C/CH/CHRISN/Net-SSLeay-1.96.tar.gz
• https://cpan.metacpan.org/authors/id/S/SU/SULLR/IO-Socket-SSL-2.099.tar.gz

• Base imageubuntu:24.04@sha256:24737cef17f4e22b1977df7d9a05e77c4e28b7da5b8911f8d8ccda136bf3573c
• BuildKitmoby/buildkit:v0.31.2
  sha256:e0e67ea9c4bb07bdef683e29f70f3b623d1eb9c82274a9ec04e6bb0511449fb0
• Build methodsource-rebuild-c
• SOURCE_DATE_EPOCH1783955925 (2026-07-13T15:18:45Z)
• Target digest (linux/amd64)sha256:0c90f579e86e939c44af9b0192fe17ce442e12510d27d223cebe001345c2631b
• Target config digestsha256:86feee93e9b810140607a07aec3d331adc43b5b8356f728fe57e6fef34c50599
• Checksummed kit files14,053 (CHECKSUMS.sha256)

# GENERATED L-009 hermetic C build (--network=none, SBOM+SLSA-attestation-producing).
# Pinned bases; vendored source (in-tree deps) + extra build debs + runtime debs from Dockerfile.vendor.
FROM ubuntu:24.04@sha256:24737cef17f4e22b1977df7d9a05e77c4e28b7da5b8911f8d8ccda136bf3573c AS cbuild
# dpkg-install the vendored EXTRA build debs (pkg-config/libssl-dev/...) — gcc/make are in the builder.
RUN --mount=type=bind,source=vendored/build-debs,target=/tmp/bdebs \
    set --; for f in /tmp/bdebs/*.deb; do [ -e "$f" ] && set -- "$@" "$f"; done; \
    for pass in 1 2 3 4 5; do [ $# -eq 0 ] || dpkg -i --skip-same-version "$@" >/dev/null 2>&1 && break; done; \
    dpkg --configure -a && bad= && for d in "$@"; do p=$(dpkg-deb -f "$d" Package) v=$(dpkg-deb -f "$d" Version); \
      case "$(dpkg-query -W -f='${Version} ${db:Status-Abbrev}' "$p" 2>/dev/null)" in "$v ii"*) ;; *) bad="$bad $p=$v" ;; esac; done && \
    { [ -z "$bad" ] || { echo "vendored debs not installed at their vendored version:$bad" >&2; false; }; }
WORKDIR /src
COPY vendored/perl-src/ .
ARG SOURCE_DATE_EPOCH=1783955925
ENV SOURCE_DATE_EPOCH=${SOURCE_DATE_EPOCH}
RUN printf "cf_time='%s'\n" "$(LC_ALL=C date -u -d @$SOURCE_DATE_EPOCH)" > config.over && sh Configure -des -Dprefix=/opt/perl -Dvendorprefix=/opt/perl -Duseshrplib -Dman1dir=none -Dman3dir=none -Dcf_by=readystack -Dcf_email=root@localhost -Dperladmin=root@localhost -Dmyhostname=localhost -Dmydomain=.localdomain -Dmyuname=linux -Dosvers=generic
RUN make -j"$(nproc)"
RUN make test_prep && cd t && LD_LIBRARY_PATH=/src PERL_SKIP_TTY_TEST=1 TEST_JOBS="$(nproc)" ./perl harness base/*.t comp/*.t op/*.t re/*.t uni/*.t
RUN make install
RUN export PATH=/opt/perl/bin:$PATH PERL_MM_USE_DEFAULT=1 && mkdir -p /tmp/cpan && cd /tmp/cpan && for t in Net-SSLeay-1.96 IO-Socket-SSL-2.099; do tar xzf /src/readystack-cpan/$t.tar.gz && (cd $t && perl Makefile.PL INSTALLMAN1DIR=none INSTALLMAN3DIR=none && make && make install NO_PERLLOCAL=1) || exit 1; done
RUN tar xzf /src/readystack-cpan/App-cpanminus-1.7049.tar.gz -C /tmp/cpan && /opt/perl/bin/perl -pe 's{^#!perl$}{#!/opt/perl/bin/perl} if $. == 1; s{http://(www\.cpan\.org|backpan\.perl\.org|cpan\.metacpan\.org|fastapi\.metacpan\.org|cpanmetadb\.plackperl\.org)}{https://$1}g; s{try_lwp=>1}{try_lwp=>0}g' /tmp/cpan/App-cpanminus-1.7049/bin/cpanm > /opt/perl/bin/cpanm && chmod 0755 /opt/perl/bin/cpanm && ! grep -Eq 'http://(www\.cpan\.org|backpan\.perl\.org|cpan\.metacpan\.org|fastapi\.metacpan\.org|cpanmetadb\.plackperl\.org)' /opt/perl/bin/cpanm && /opt/perl/bin/cpanm --version
FROM ubuntu:24.04@sha256:24737cef17f4e22b1977df7d9a05e77c4e28b7da5b8911f8d8ccda136bf3573c
ENV DEBIAN_FRONTEND=noninteractive PATH=/home/perl/perl5/bin:/opt/perl/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin PERL5LIB=/home/perl/perl5/lib/perl5 PERL_CPANM_OPT=--local-lib=/home/perl/perl5 LANG=C.UTF-8
RUN --mount=type=bind,source=vendored/debs,target=/tmp/debs \
    set --; for f in /tmp/debs/*.deb; do [ -e "$f" ] && set -- "$@" "$f"; done; \

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#!/usr/bin/env bash
# =============================================================================
# ReadyStack — offline reproducible rebuild.
#
# Rebuilds this product's image from THIS ARCHIVE ALONE, with no network access
# of any kind, and prints the resulting linux/amd64 image-manifest digest.
# Run ./VERIFY_OFFLINE.sh afterwards to assert it equals the published digest.
#
# Requirements: linux/amd64 Docker host, docker buildx >= 0.30, jq, tar.
# No git, no registry access, no additional tooling.
#
#   ./BUILD_OFFLINE.sh                the rebuild (OCI image + a docker-loadable copy)
#   ./BUILD_OFFLINE.sh --provenance   the same rebuild with SLSA v1 build provenance (mode=max) attached to the OCI
#                                     image, generated by BuildKit, not by any build step. Run on your own hardened,
#                                     isolated build platform and sign that provenance with a key the build cannot
#                                     reach, and the result meets SLSA Build Level 3 (see REBUILD.md). The image
#                                     digest is the same either way.
# =============================================================================
set -euo pipefail
PROVENANCE=0
for arg in "$@"; do
  case "$arg" in
    --provenance) PROVENANCE=1 ;;
    -h|--help) sed -n '2,20p' "$0"; exit 0 ;;

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