Re: Git and PCRE2 vs PCRE?

From: Jeffrey Walton <noloader@gmail.com>
Date: Mar 30, 2017, 22:04 UTC
Message-ID: <CAH8yC8kEzK0seNj9GK8h5mnMDvyG9=PnChmseSuvSfvb5h+uDQ@mail.gmail.com>
In-Reply-To: <xmqq60iq31dk.fsf@gitster.mtv.corp.google.com>

On Thu, Mar 30, 2017 at 5:23 PM, Junio C Hamano <gitster@pobox.com> wrote:

Show 14 quoted lines

> Jeffrey Walton <noloader@gmail.com> writes:
>
>> Is it possible to use PCRE2 with Git? If so, how do I tell Git to use PCRE2?
>
> Given that pcre2's symbols are all prefixed with pcre2_ (I only
> checked http://www.pcre.org/current/doc/html/pcre2api.html) and we
> do not see any hits from "git grep pcre2", I do not think you can
> just "configure" Git to use it.  Unless pcre2 library has a drop-in
> replacement backward compatibility mode with pcre library, that is.
>
> It probably is possible to use PCRE2 with Git by adding similar
> amount of code to grep.[ch] as we have support for pcre and that
> would be the way you tell Git to use PCRE2, but I think that is
> probably not the questino you are asking.

Ack, thanks Jeff and Junio. Its no big deal to me.

I'm not a PCRE user, so I'm not familiar with the extra gyrations needed for the migration.

I'll get the original PCRE installed.

Thanks again.