Re: [PATCH 1/4] autoconf: Check for working mmap

From: Jakub Narebski <jnareb@gmail.com>
Date: Aug 4, 2006, 19:02 UTC
Message-ID: <eb05i7$3d6$1@sea.gmane.org>
In-Reply-To: <7vodv0jpo1.fsf@assigned-by-dhcp.cox.net>

Junio C Hamano wrote:

Show 8 quoted lines

> Jakub Narebski <jnareb@gmail.com> writes:
> 
>> Use AC_FUNC_MMAP check to check if the `mmap' function exists and
>> works correctly.  (It only checks private fixed mapping of
>> already-mapped memory.)
> 
> This tests something we do not really care about (we do not
> mmap MAP_FIXED, and not over an already allocated space).

Well, I have noticed that there exist AC_FUNC_MMAP, used it, then read about its limitations.

Is there any platform that passes this test, but needs NO_MMAP? If so, then disregard this patch.

-- 
Jakub Narebski
Warsaw, Poland
ShadeHawk on #git