Follow-up Comment #13, bug #57218 (project groff):
Today's commits significantly improve the situation.
2020-12-25 G. Branden Robinson <g.branden.robin...@gmail.com>
* doc/doc.am (.texi.dvi): Call texi2dvi with FORCE_SOURCE_DATE=1
in the environment, avoiding an embedded timestamp in the
generated groff.dvi file, which frustrated reproducible builds.
Thanks to Werner Lemberg for the suggestion.
* src/roff/groff/tests/string_case_xform_unicode_escape.sh: Fix
test to no longer use Bash process substitution, resulting in
nondeterministic file descriptor numbers appearing in test logs,
frustrating reproducible builds.
* contrib/pdfmark/pdfmark.am (PDFROFF): Call pdfroff without
`--keep-temporary-files` option. Temporary directories are
created with mktemp(1) and files with an embedded process
identifier, which frustrates reproducible builds.
See <https://savannah.gnu.org/bugs/?57218>.
Attaching new, much shorter (2KiB), diff of two sequential builds using
SOURCE_DATE_EPOCH.
(file #50566)
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Additional Item Attachment:
File name: groff-repro-build_2020-12-25.diff Size:2 KB
<https://file.savannah.gnu.org/file/groff-repro-build_2020-12-25.diff?file_id=50566>
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