From: "aurelien@aurel32.net" <aurelien@aurel32.net>
To: "Hao, Xudong" <xudong.hao@intel.com>
Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>, Avi Kivity <avi@redhat.com>
Subject: Re: Qemu-kvm Build fail with function 'cirrus_bitblt_start' on RHEL5 system
Date: Mon, 10 Jan 2011 07:17:23 +0100 [thread overview]
Message-ID: <20110110061723.GD17026@hall.aurel32.net> (raw)
In-Reply-To: <BC00F5384FCFC9499AF06F92E8B78A9E1E71175883@shsmsx502.ccr.corp.intel.com>
On Mon, Jan 10, 2011 at 10:05:17AM +0800, Hao, Xudong wrote:
> Qemu-kvm commit 92d675d1c1f23f3617e24b63c825074a1d1da44b changed sx, dx and others variables into a judgement, there was a build failure on RHEL5 system.
>
> ...
> CC x86_64-softmmu/debugcon.o
> cc1: warnings being treated as errors
> /workspace/ia32-pae/nightly/qemu-kvm/hw/cirrus_vga.c: In function 'cirrus_bitblt_start':
> /workspace/ia32-pae/nightly/qemu-kvm/hw/cirrus_vga.c:678: warning: 'dx' may be used uninitialized in this function
> /workspace/ia32-pae/nightly/qemu-kvm/hw/cirrus_vga.c:677: warning: 'sx' may be used uninitialized in this function
> /workspace/ia32-pae/nightly/qemu-kvm/hw/cirrus_vga.c:679: warning: 'depth' may be used uninitialized in this function
> /workspace/ia32-pae/nightly/qemu-kvm/hw/cirrus_vga.c:678: warning: 'dy' may be used uninitialized in this function
> /workspace/ia32-pae/nightly/qemu-kvm/hw/cirrus_vga.c:677: warning: 'sy' may be used uninitialized in this function
> CC x86_64-softmmu/multiboot.o
> make[1]: *** [cirrus_vga.o] Error 1
> make[1]: *** Waiting for unfinished jobs....
> make: *** [subdir-x86_64-softmmu] Error 2
>
Yes, the code is correct, but some compilers choke on that, some not.
Anyway it's fixed in 78935c4a4bfec8ef2f4f924cfc35ac09a963e81e.
Aurelien
--
Aurelien Jarno GPG: 1024D/F1BCDB73
aurelien@aurel32.net http://www.aurel32.net
prev parent reply other threads:[~2011-01-10 6:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-10 2:05 Qemu-kvm Build fail with function 'cirrus_bitblt_start' on RHEL5 system Hao, Xudong
2011-01-10 6:17 ` aurelien [this message]
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