[Bug 1547165] perl-ExtUtils-CBuilder should require gcc

https://bugzilla.redhat.com/show_bug.cgi?id=1547165

--- Comment #4 from Paul Howarth  ---
(In reply to Petr Pisar from comment #1)
> Also Perl guidelines states that archfull packages should
> build-require perl-devel. I do not want tell people that they should
> build-require EU::CBuilder instead.

Not all archful packages use EU::CBuilder; those that don't should pull in gcc
themselves, but those that do use EU::CBuilder could reasonably expect it to
"just work" I think.