[Bug 291905] [exp-run] Mk: reproducible_builds: set SOURCE_DATE_EPOCH for TIMESTAMPed ports

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 14 May 2026 15:23:26 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291905

--- Comment #10 from cen <cen.is.imba@gmail.com> ---
Analysis:

1. py-lap appears to already be fixed after commit
b0b4d9e1eae890d0de1591e20fb37358439a2ff6 which bumped deps to NumPy 2.0

2. Kicad fails because it uses GNU Tar flags when SOURCE_DATE_EPOCH is set.
Probable solution: add gtar:archivers/gtar to BUILD_DEPENDS

3. u-boot fails for a similar reason, tries to use GNU date flags when
SOURCE_DATE_EPOCH is set. Probable solution: add gdate to BUILD_DEPENDS

I am currently testing all 3 patches and can submit once done.

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