[Qemu-devel] Re: [qemu-kvm] build fail on i386 RHEL5u4

[Avi Kivity]

 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.

--
error compiling committee.c: too many arguments to function