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perl: pin cf_time/cf_by for reproducible builds #249

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bryan-minimal merged 3 commits into from
Jun 17, 2026
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perl: pin cf_time/cf_by for reproducible builds #249

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perl: pin cf_time/cf_by for reproducible builds
bryan-minimal Jun 15, 2026
dfa3ca7
ci: re-trigger build (timed out at 6h; cache warm, build-servers rais…
bryan-minimal Jun 16, 2026
12f0bd3
ci: re-trigger build (bun wedged on arm64 res-server; cache warm)
bryan-minimal Jun 17, 2026
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9 changes: 8 additions & 1 deletion packages/perl/build.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,11 @@ export CFLAGS="$MARCH -O2 -pipe -gno-record-gcc-switches -ffile-prefix-map=$(pwd
export LDFLAGS="-Wl,--build-id=none"
export CXXFLAGS="${CFLAGS}"

# Perl's Configure bakes the wall-clock build time into Config (cf_time/cf_by),
# which makes the build non-reproducible. Pin both deterministically.
export SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-0}"
CF_TIME="$(LC_ALL=C TZ=UTC date -u -d "@$SOURCE_DATE_EPOCH" 2>/dev/null || echo 'Thu Jan 1 00:00:00 UTC 1970')"

sh Configure -des \
-D cc=gcc \
-D prefix=/usr \
Expand All @@ -29,7 +34,9 @@ sh Configure -des \
-D man3dir=/usr/share/man/man3 \
-D pager="/usr/bin/less -isR" \
-D useshrplib \
-D usethreads
-D usethreads \
-D cf_time="$CF_TIME" \
-D cf_by=builder

make -j$(nproc)
# TEST_JOBS=$(nproc) make test_harness # TODO there are failures
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