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.
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