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From: "Jörg Krause" <jkrause@posteo.de>
To: musl@lists.openwall.com
Subject: Re: why is there no __MUSL__ macro?
Date: Thu, 11 Sep 2014 14:02:59 +0200	[thread overview]
Message-ID: <54118F73.2020807@posteo.de> (raw)
In-Reply-To: <20140911111721.GG21835@port70.net>


On 09/11/2014 01:17 PM, Szabolcs Nagy wrote:
> * Laurent Bercot <ska-dietlibc@skarnet.org> [2014-09-11 12:09:07 +0100]:
>>> FFmpeg needs support for library features defined in POSIX.1-2001 with XSI extension and the standards below. Currently configure probes the host and target libc by checking for defined macros like __GLIBC__ and __UCLIBC__. In case of glibc and uclibc it sets -D_XOPEN_SOURCE=600 properly.
>>   Why not set this macro unconditionally ?
>>   All standards-compliant libcs will make the correct symbols visible
>> if you define _XOPEN_SOURCE to a certain value. This include glibc,
> this has to be the most frequently asked question
>
> http://wiki.musl-libc.org/wiki/FAQ#Q:_why_is_there_no_MUSL_macro_.3F
>
> and yes, assuming standard conformance by default is the
> sane thing to do

I see. So it should be safe to assume standard conformance of the libc 
and set _XOPEN_SOURCE properly.

>
> then _testing_ for conformance issues is the second try
> if the default fails

What do you mean with testing for concormance?


  reply	other threads:[~2014-09-11 12:02 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-11 11:00 Jörg Krause
2014-09-11 11:09 ` Laurent Bercot
2014-09-11 11:17   ` Szabolcs Nagy
2014-09-11 12:02     ` Jörg Krause [this message]
2014-09-11 12:38       ` Szabolcs Nagy
2014-09-11 13:33         ` Jörg Krause
2014-09-11 14:48           ` Szabolcs Nagy
2014-09-11 14:30   ` Christian Neukirchen
2014-09-11 11:17 ` Jens
2014-09-11 12:24   ` Jörg Krause
2014-09-11 14:53     ` Isaac Dunham
2014-09-12  7:39       ` Jörg Krause
2014-09-11 14:47 ` Natanael Copa
2014-09-12  7:35   ` Jörg Krause
2014-09-12 15:37     ` Rich Felker

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