Bug#820815: freefem++: please make the build reproducible (fileordering, timestamps)

[Alexis Bienvenüe]

Source: freefem++
Version: 3.45-1
Severity: wishlist
Tags: patch upstream
User: reproducible-builds at lists.alioth.debian.org
Usertags: fileordering timestamps
X-Debbugs-Cc: reproducible-builds at lists.alioth.debian.org

Dear Maintainer,

While working on the “reproducible builds” effort [1], we have noticed
that 'freefem++' could not be built reproducibly.

The attached patch fixes the order in which files are included in the
edp files, and honours SOURCE_DATE_EPOCH [2] when using the build date.
Once applied, freefem++ can be built reproducibly in our current
experimental framework.

Regards,
Alexis Bienvenüe.

 [1]: https://wiki.debian.org/ReproducibleBuilds
 [2]: https://reproducible-builds.org/specs/source-date-epoch/





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