[ovs-dev] WINDOWS userspace build broken

Ben Pfaff bpfaff at vmware.com
Tue Aug 12 18:45:25 UTC 2014


On Tue, Aug 12, 2014 at 05:39:21PM +0000, Alin Serdean wrote:
> c:\temp\12_08_2014\ovs\lib\ofp-actions.h(465) : error C2229: struct 'ofpact_nest
> ' has an illegal zero-sized array
> make[2]: *** [lib/bundle.lo] Error 1
> make[2]: Leaving directory `/c/temp/12_08_2014/ovs'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/c/temp/12_08_2014/ovs'
> make: *** [all] Error 2
> 
> Expanding the problem a bit:
> struct ofpact_nest {
>     struct ofpact ofpact;
>     uint8_t pad[PAD_SIZE(sizeof(struct ofpact), OFPACT_ALIGNTO)];
>     struct ofpact actions[];
> };
> Means PAD_SIZE(sizeof(struct ofpact), OFPACT_ALIGNTO) turns out
> to be 0 (https://urldefense.proofpoint.com/v1/url?u=http://msdn.microsoft.com/en-us/library/0scy7z2d.aspx&k=oIvRg1%2BdGAgOoM1BIlLLqw%3D%3D%0A&r=7aZ2QNtnIqKBFiZ8gj5w6gylt7IGfJ8QJRUkgBxeSa8%3D%0A&m=maHSXdVpT7UFIF59mR%2FoMVEV18pfExLSRAEllcegU7E%3D%0A&s=165db0e49697400ebec88f0a447cec2eb49e9b8eef660ee0711d37e708e2d668 ).

Thank you for the report.  I sent out a fix:
        http://openvswitch.org/pipermail/dev/2014-August/043963.html
Will you review it?  Thanks.



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