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Re: AC_USE_SYSTEM_EXTENSIONS should be AC_DEFUN_ONCEd
From: |
Eric Blake |
Subject: |
Re: AC_USE_SYSTEM_EXTENSIONS should be AC_DEFUN_ONCEd |
Date: |
Sun, 25 Jan 2009 10:24:06 -0700 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.19) Gecko/20081209 Thunderbird/2.0.0.19 Mnenhy/0.7.5.666 |
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According to Bruno Haible on 1/25/2009 4:42 AM:
> Hi,
>
> Assuming the new semantics of AC_DEFUN_ONCE proposed by Paolo Bonzini and
> Eric Blake, I think the macro AC_USE_SYSTEM_EXTENSIONS should be defined
> through AC_DEFUN_ONCE.
Agreed, and so should many other functions. But let's get AC_DEFUN_ONCE
fixed and backported to gnulib before scrubbing autoconf macros for
one-shot semantics.
> For 2.64, defining AC_USE_SYSTEM_EXTENSIONS through AC_DEFUN_ONCE should fix
> all these problems, IMO. But feel free to add these 4 test cases to the test
> suite nevertheless :-)
Yes, the existing tests for AC_USE_SYSTEM_EXTENSIONS should be expanded as
part of the fix.
- --
Don't work too hard, make some time for fun as well!
Eric Blake address@hidden
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