Bug#787327: vim: please make the build reproducible

[Reiner Herrmann]

Source: vim
Version: 2:7.4.712-2
Severity: wishlist
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-CC: reproducible-builds at lists.alioth.debian.org

Hi!

While working on Debian's “reproducible builds” effort [1], we have
noticed that vim doesn't build reproducibly.
It embeds the build date and time into the binaries via __DATE__
and __TIME__ macros.
Vim already falls back to a long version string without build date/time
on systems where those macros are not available.

By disabling the check for __DATE__ and __TIME__ in configure(.in),
vim will use the reproducible string.
This is done in the attached patch.

Regards,
 Reiner

[1]: https://wiki.debian.org/ReproducibleBuilds

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