RPATH and build root traces

[Warren Togami]

Thorsten Leemhuis wrote:
> 
> 
> I'm all for it but a small warning here: I think that a lot of x86_64
> packages will fail due to hardcoded RPATH -- I saw it in a lot of
> different packages in the past. Some were fixed, a lot not, because I
> considered fixing x86_64 packages for extras was more important at this
> point then to fix all appearances of hardcoded RPATH.
> 
> Maybe we should wait with this after FC4 and FC4 extras are out?
> Otherwise a lot of x86_64 packages that were in FC3 extras might be
> missing in FC4 extras. Or we could modify the script so it warns only
> for the moment. After FC4, we could modify it again so the build fails
> again if it finds a hardcoded RPATH.
> 

Alternatively:
RPATH check only i386 and ppc.
	*OR*
RPATH errors on only the most dangerous RPATHs like "" or "."