multilib fun - devel packages

[Bill Nottingham]

Jakub Jelinek (jakub at redhat.com) said: 
> But that's just rpm bug, it shouldn't always prefer 64bit rpms over 32bit
> ones, instead decide based on how it was configured.
> For x86_64, it should be obviously defined to prefer 64bit, I think
> on s390x similarly (there 64-bit code can do direct calls rather than
> go through the literal pool all the time etc.).  On ppc and sparc
> it should on the other side prefer 32bit rpms over 64bit.

This runs into problems on ppc64 installs when the ioctl/etc
compatiblity layer is either a) missing b) broken.

Bill