From: Jeff King <peff@peff.net>
Date: Thu, 06 Oct 2016 19:11:27 GMT
Subject: Re: Systems with old regex system headers/libraries don't pick up git's compat/regex header file
Message-ID: <20161006191127.2vjtmxl7ygjeqcbk@sigill.intra.peff.net>
In-Reply-To: <9f43a2f1-5d7e-3a2e-5a83-40e92ab0d7b5@connectinternetsolutions.com>

On Thu, Oct 06, 2016 at 10:15:49AM +0100, Richard Lloyd wrote:

> Unfortunately, on systems with an older regex shipped as
> standard (e.g. HP-UX 11), the include path picks up
> /usr/include/regex.h first, which doesn't define REG_STARTEND
> and the git-compat-util.h check fails.
> 
> The fix I applied on HP-UX 11 was to add -Icompat/regex
> to the CFLAGS ahead of other -I directives. Another possible
> change needed might be to line 69 of compat/regex/regex.c:

Junio mentioned the NO_REGEX knob in the Makefile. If that works for
you, the next step is probably to add a line to the HP-UX section of
config.mak.uname, so that it just works out of the box.

-Peff