From: Corinna Vinschen <vinschen@redhat.com>
To: newlib@sourceware.org
Subject: Re: stdatomic.h broken on GCC-5.4.0 (error: request for member ‘__val’ in something not a structure or union)
Date: Thu, 23 Feb 2017 10:19:00 -0000 [thread overview]
Message-ID: <20170223101917.GI23946@calimero.vinschen.de> (raw)
In-Reply-To: <20170223101734.GH23946@calimero.vinschen.de>
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On Feb 23 11:17, Corinna Vinschen wrote:
> On Feb 23 08:13, Sebastian Huber wrote:
> > This file worked before GCC shipped its own stdatomic.h. You should use the
> > GCC provided stdatomic.h. Maybe we should remove the stdatomic.h from
> > Newlib.
>
> We should continue to provide it for older GCC versions. We could
> do something like
>
> #if __GNUC_PREREQ__(X,Y)
> #undef _STDATOMIC_H_
The undef is apparently not even required. GCC uses _STDATOMIC_H without
trailing underscore.
> #include_next <stdatomic.h>
> #else
> [rest of our own stdatomic.h]
> #endif
>
> X.Y would be the 1st gcc version providing its own stdatomic.h
Corinna
--
Corinna Vinschen
Cygwin Maintainer
Red Hat
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prev parent reply other threads:[~2017-02-23 10:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-22 17:32 Joakim Nohlgård
2017-02-23 7:13 ` Sebastian Huber
2017-02-23 10:17 ` Corinna Vinschen
2017-02-23 10:19 ` Corinna Vinschen [this message]
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