%ifarch note

[Mamoru TASAKA]

> Since I hit this, I'd imagine other people might.
> If your package has:
> 
> BuildArch: noarch
> 
> It will set %{_target_cpu} to "noarch".
> 
> If you also use %ifarch in that spec file, you might be expecting it to
> match %{_arch} (the architecture of the build server). It does not. It
> matches %{_target_cpu}.
> 
> If you need to conditionalize on the value of %{_arch} in such a spec
> file, you need to do it explicitly:
> 
> %if %{_arch} == x86_64 || %{_arch} == i686
> 
> Hope that helps other folks,
> 
> ~tom

Using %if %{_arch} == x86_64 || %{_arch} == i686 seems to break building srpm
on arm koji:
http://koji.fedoraproject.org/koji/taskinfo?taskID=6049393
(when making srpm on i686 or x86_64, it seems okay).

Perhaps when building srpm on arm, _arch is not defined on koji.

Regards,
Mamoru