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bug#18238: Fix for DOS build when using more accurate config[.h].in


From: Reuben Thomas
Subject: bug#18238: Fix for DOS build when using more accurate config[.h].in
Date: Sun, 10 Aug 2014 19:20:48 +0100

On 10 August 2014 19:05, Eli Zaretskii <address@hidden> wrote:
> Date: Sun, 10 Aug 2014 17:47:11 +0100
> From: Reuben Thomas <address@hidden>
>
> DJGPP does actually have getrlimit. The special config[.h].in for MSDOS
> lies and says it hasn't. However, this is a white lie, because getrlimit on
> DJGPP doesn't support RLIMIT_AS/RLIMIT_DATA, which is what we want, so we
> still want the workaround code. The following patch simply reverses the
> order of a couple of tests in vm-limit.c so that being on MSDOS overrides
> HAVE_GETRLIMIT.
>
> Is it OK to install?

I don't see why the suggested code is better than the existing one.
HAVE_GETRLIMIT means more than its name says, as you point out, so
DJGPP is correct in not defining one.

I think I was unclear, sorry: DJGPP does define getrlimit. It is only the MSDOS config.in that says it is not defined. If you run ./configure, then it detects getrlimit, and defines HAVE_GETRLIMIT.

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