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From:   Kevin Daudt <me@ikke.info>
To:     =?iso-8859-1?Q?=C6var_Arnfj=F6r=F0?= Bjarmason <avarab@gmail.com>
Cc:     Johannes Schindelin <Johannes.Schindelin@gmx.de>,
        Junio C Hamano <gitster@pobox.com>,
        Git Mailing List <git@vger.kernel.org>
Subject: Re: PCRE v2 compile error, was Re: What's cooking in git.git (May
 2017, #01; Mon, 1)
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On Tue, May 02, 2017 at 08:52:21PM +0200, Ævar Arnfjörð Bjarmason wrote:
> 
>  * Due to the bizarro existing semantics of the configure script noted
> upthread if you have a git build script that does --with-libpcre & you
> have libpcre1 installed, it'll link to it, but now since
> --with-libpcre defaults to libpcre2 it'll silently skip linking to it
> if you don't have it installed.
> 

Case in point: The Archlinux git-git aur package[0] (community maintained,
latest git version) does run ./configure without --with-libpcre, but
 requests it from make with USE_LIBPCRE=1.

I noticed when trying git grep -P which then failed.

[0]: https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=git-git