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Date: Sun, 10 Feb 2013 12:29:52 +0100
From: Dimitry Andric <dim@FreeBSD.org>
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To: sbruno@freebsd.org, 
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Subject: Re: Eliminating a warning in sys/boot
References: <1360455011.4618.8.camel@powernoodle>
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On 2013-02-10 01:10, Sean Bruno wrote:> So, this is not a valid warning in our universe and I'd like to silence
> it when compiling sys/boot as printf(9) and sprintf(9) supports this
> format.  How can we silence this warning for the FreeBSD universe?
>
> ===> efi/libefi (all)
> In file included from efinet.c:39:
> /home/sbruno/fbsd_head/sys/boot/efi/libefi/../../common/dev_net.c:328:19: warning: invalid conversion specifier 'D'
>        [-Wformat-invalid-specifier]
>          sprintf(temp, "%6D", d->myea, ":");

Either eliminate the non-standard printf format specifier, or use the
-fformat-extensions flag while compiling.