[libvirt] [Xen-devel] libvirt build error in conf/domain_conf.c (Was: Re: [libvirt test] 26326: regressions - FAIL)

[Jim Fehlig]

Ian Campbell wrote:
> On Sat, 2014-05-17 at 07:20 +0100, xen.org wrote:
>   
>> flight 26326 libvirt real [real]
>> http://www.chiark.greenend.org.uk/~xensrcts/logs/26326/
>>
>> Regressions :-(
>>
>> Tests which did not succeed and are blocking,
>> including tests which could not be run:
>>  build-amd64-libvirt           4 libvirt-build             fail REGR. vs. 26314
>>  build-armhf-libvirt           4 libvirt-build             fail REGR. vs. 26314
>>  build-i386-libvirt            4 libvirt-build             fail REGR. vs. 26314
>>     
>
> This is:
>         conf/domain_conf.c: In function 'virDomainDiskSourceParse':
>         conf/domain_conf.c:4992:9: error: comparison of unsigned expression < 0 is always false [-Werror=type-limits]
>         conf/domain_conf.c:5015:21: error: comparison of unsigned expression < 0 is always false [-Werror=type-limits]
>         conf/domain_conf.c: In function 'virDomainDiskBackingStoreParse':
>         conf/domain_conf.c:5113:5: error: comparison of unsigned expression < 0 is always false [-Werror=type-limits]
> (from http://www.chiark.greenend.org.uk/~xensrcts/logs/26326/build-amd64-libvirt/4.ts-libvirt-build.log )
>
> I think this isn't Xen specific.

No, it is compiler specific, and started with

http://libvirt.org/git/?p=libvirt.git;a=commit;h=b279e52f7bd07dfe6e7f5ef0b34f2b424c50eee2

Was discussed on #virt last Friday.  Eric has a fix under review

https://www.redhat.com/archives/libvir-list/2014-May/msg00567.html

Regards,
Jim