Koji build failure: noarch vs. arch?

[Jerry James]

On Thu, Jan 29, 2015 at 8:29 PM, Rex Dieter <rdieter at math.unl.edu> wrote:
> Maybe try a safer comparison when/if __isa_bits is undefined?  something
> like:
>
> %if "%{?__isa_bits}" == "64"
>
> instead?

I have been assured that %__isa_bits is always defined, except for
noarch builds:

https://lists.fedoraproject.org/pipermail/devel/2014-October/203331.html

That's what this problem looks like to me: something has erroneously
concluded that this is a noarch build.  I just don't know what that
something is, or why it reached such a conclusion.  Thanks,
-- 
Jerry James
http://www.jamezone.org/