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Subject:	Re: Pthreads: Prototypes missing if -std=c11
To:	cygwin AT cygwin DOT com
References:	<mtranet DOT 20170712181557 DOT 1862059698 AT a1 DOT net>
From:	Yaakov Selkowitz <yselkowitz AT cygwin DOT com>
Message-ID:	<c24d7b80-6dc0-1d1d-9b19-bcb6847f9747@cygwin.com>
Date:	Wed, 12 Jul 2017 12:49:58 -0500
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On 2017-07-12 11:15, bz0815 AT tirol DOT com wrote:
> gcc does not recognize some functions from pthread.h if option -std=c11 is used:

Exactly, and the same happens with glibc.  When you use -std=c*, that
means you are declaring strict ISO C, and all extensions are disabled by
default unless explicitly enabled (e.g. with -D_POSIX_C_SOURCE=200112L).
 If you are not compatible with ISO C, then you should be using
-std=gnu* instead.

-- 
Yaakov

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