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Re: What’s the deal with #if _LIBC and other non-Emacs code?

From: Eli Zaretskii
Subject: Re: What’s the deal with #if _LIBC and other non-Emacs code?
Date: Tue, 26 Jul 2016 05:34:42 +0300

> From: Michal Nazarewicz <address@hidden>
> Date: Tue, 26 Jul 2016 00:58:06 +0200
> I’ve noticed quite some code in regex.c and regex.h which isn’t used by
> Emacs or any executable distributed with Emacs.  Most notably, there are
> blocks of code guarded with ‘#ifdef _LIBC’ macro and support for
> alternative syntax which is never actually used.
> To me this all looks like it could be safely removed simplifying and
> shortening the code.
> I would be happy to prepare patches doing just that, but first I’d like
> to make sure that there’s nothing I’m missing.

This code is maintained by glibc, where those parts are used.
Although our version diverged quite a lot from the one in glibc, we
still have plans to merge them at some point.  So I think we shouldn't
remove those parts.


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