Fedora non-standard build environment (%_host etc.)

[seth vidal]

>There are certainly no per-package unique build configuration flags by 
>intent. OTOH,
>configurations can and do rot, and there is the occaisional need to 
>expedite a package
>build with a hack to get the job done.
>


I think the only thing Jos is asking is to get these build configs so
anyone who wants to build/rebuild fedora can get a complete and accurate
rebuild.

-sv