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Re: #pragma with Sun cc

From: Eric Blake
Subject: Re: #pragma with Sun cc
Date: Wed, 29 Oct 2008 06:05:46 -0600
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20080914 Thunderbird/ Mnenhy/

Hash: SHA1

According to Bruno Haible on 10/29/2008 4:47 AM:
>> I'm wondering how best to document this portability issue in the autoconf
>> manual, and whether the AC_OPENMP macro should be taught to recognize this 
>> bug.
> I don't think it's worth to disable the AC_OPENMP support in this case.
> I mean, once the program is compiled, it runs flawlessly. (But I don't know
> why it used only 4 threads although I set OMP_NUM_THREADS to 16, on a
> uniprocessor machine.)
> But I agree that it should be documented. Probably it's more useful to mention
> this in the AC_OPENMP documentation, than under "Portable C and C++ 
> Programming".
> Here's a proposed wording:
> 2008-10-29  Bruno Haible  <address@hidden>
>       * doc/autoconf.texi (AC_OPENMP): Document portability pitfall.

Agreed with your reasoning, and I pushed the patch, after some editing
(since you didn't use git format-patch, git am didn't handle it very well).

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
Version: GnuPG v1.4.9 (Cygwin)
Comment: Public key at
Comment: Using GnuPG with Mozilla -


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