[Buildroot] Add missing config to RPM target package

[Thomas Petazzoni <thomas.petazzoni@free-electrons.com>]

Dear Andreas Ehmanns,

On Tue, 25 Aug 2015 21:28:54 +0200, Andreas Ehmanns wrote:

> in my first try I had no pcre support, so rpm package was built with 
> --with-pcre=none
> Trying to install a binary rpm just containing one file on my target 
> system failed at the very beginning when rpm was checking package 
> dependencies. Setting --with-pcre=internal solved this problem. So it 
> seems to me that pcre is necessary to to dependency checks which is in 
> my opinion one of the main features or rpm. Isn't it?

If that's indeed the case, then pcre support is really mandatory for
RPM to be useful. Therefore, can you send a patch to make the pcre
dependency a mandatory one? Don't forget to add a comment explaining
why we're making it mandatory even if RPM makes it an optional
dependency.

Thanks,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com