* Qemu-kvm Build fail with function 'cirrus_bitblt_start' on RHEL5 system
@ 2011-01-10 2:05 Hao, Xudong
2011-01-10 6:17 ` aurelien
0 siblings, 1 reply; 2+ messages in thread
From: Hao, Xudong @ 2011-01-10 2:05 UTC (permalink / raw)
To: kvm@vger.kernel.org; +Cc: aurelien@aurel32.net, Avi Kivity
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
Best Regards,
Xudong Hao
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Qemu-kvm Build fail with function 'cirrus_bitblt_start' on RHEL5 system
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
0 siblings, 0 replies; 2+ messages in thread
From: aurelien @ 2011-01-10 6:17 UTC (permalink / raw)
To: Hao, Xudong; +Cc: kvm@vger.kernel.org, Avi Kivity
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
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