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Re: AC_REPLACE_FUNCS and function prototypes
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From: |
Paul Eggert |
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Subject: |
Re: AC_REPLACE_FUNCS and function prototypes |
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Date: |
Sat, 19 Aug 2006 15:24:51 -0700 |
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User-agent: |
Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux) |
"Masao Yonenaga" <address@hidden> writes:
> How can I handle this situation properly?
AC_CHECK_DECLS should do the trick.
> I want to avoid unconditionally defining _GNU_SOURCE because its
> side effects are unpredictable.
In practice I find that omitting _GNU_SOURCE causes far more porting
hassles than it cures, because the "standard conforming" environments
are less-often used and are not as well debugged. I suggest using
AC_USE_SYSTEM_EXTENSIONS instead.