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Re: do I need "ifdef HAVE_UNISTD_H" if I import unistd?

From: Sam Steingold
Subject: Re: do I need "ifdef HAVE_UNISTD_H" if I import unistd?
Date: Mon, 16 May 2011 16:10:11 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

> * Eric Blake <address@hidden> [2011-05-16 13:56:46 -0600]:
> On 05/16/2011 01:53 PM, Sam Steingold wrote:
>> DIUC that if I include the sys_time & unistd modules, I can write
>> #include <unistd.h>
>> #include <sys/time.h>
>> instead of
>> #ifdef HAVE_SYS_TIME_H
>>  #include <sys/time.h>
>> #endif
>> #ifdef HAVE_UNISTD_H
>>   #include <unistd.h>
>> #endif
>> ??
>> the same question for all the other headers...
> Absolutely!  In fact, the maintainer-mode module includes the
> sc_prohibit_always_true_header_tests to help you check for files where
> you can unconditionally include headers guaranteed by gnulib replacements.

there is no maintainer-mode in gnulib/modules.
how do I use it?


Sam Steingold (http://sds.podval.org/) on CentOS release 5.6 (Final) X 
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