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Date: Fri, 14 Mar 2014 17:35:32 +0100
From: Laszlo Ersek <lersek@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] block: Explicitly specify 'unsigned long
 long' for VHDX 64-bit constants
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: Kevin Wolf <kwolf@redhat.com>, QEMU Developers <qemu-devel@nongnu.org>, Jeff Cody <jcody@redhat.com>, Alexander Graf <agraf@suse.de>, "Richard W.M. Jones" <rjones@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>

On 03/14/14 17:26, Peter Maydell wrote:
> On 14 March 2014 16:17, Laszlo Ersek <lersek@redhat.com> wrote:
>> "Unsigned long long" is a gnu-ism for C89. It's a standard part of C99.
>> Last time I checked, qemu used the gnu89 dialect on all build hosts
>> except SunOS.
> 
> HACKING says we use C99...

HACKING lies then :)

grep for "std=c99" or "std=gnu99". You will find no hits for the former,
and one hit for the latter, when the build host is SunOS. (Or just grep
for '-std='.)

In gcc-4.8.2, -std still defaults to gnu89.

Laszlo