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[Qemu-devel] RE: [qemu-kvm] build fail on i386 RHEL5u4
From: |
Hao, Xudong |
Subject: |
[Qemu-devel] RE: [qemu-kvm] build fail on i386 RHEL5u4 |
Date: |
Mon, 16 Aug 2010 09:27:59 +0800 |
Avi Kivity wrote:
> On 08/11/2010 04:49 AM, Hao, Xudong wrote:
>> Hi,
>> Recently I build qemu-kvm on 32bit RHEL5u4/RHEL5u5, it will fail on
>> fuction "vhost_dev_sync_region". But RHEL5u1 system is fine to
>> build. Did anyone meet similar issue?
>>
>> qemu-kvm commit: 59d71ddb432db04b57ee2658ce50a3e35d7db97e
>>
>> build error:
>> ...
>> CC x86_64-softmmu/i8254.o
>> CC x86_64-softmmu/i8254-kvm.o
>> CC x86_64-softmmu/device-assignment.o
>> LINK x86_64-softmmu/qemu-system-x86_64
>> vhost.o: In function `vhost_dev_sync_region':
>> /home/source/qemu-kvm/hw/vhost.c:47: undefined reference to
>> `__sync_fetch_and_and_4'
>> collect2: ld returned 1 exit status
>> make[1]: *** [qemu-system-x86_64] Error 1
>> make: *** [subdir-x86_64-softmmu] Error 2
>>
>
> Appears to be a gcc bug. I opened
> https://bugzilla.redhat.com/show_bug.cgi?id=624279 to track this.
>
> Meanwhile, installing the gcc44 package and building with it
> (./configure --cc=gcc44) appears to work.
Avi,
Gcc44 works for me.
I saw Jakub marked this bug closed with "only i486 support that, but RHEL5 use
-march=i386", so do we have ongoing fix on qemu-kvm?
Thanks,
Xudong