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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:1.8.1.17) Gecko/20080914 Thunderbird/2.0.0.17 Mnenhy/0.7.5.666 |
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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
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