[Fedora-packaging] Phase out buildroot?

[Toshio Kuratomi]

On 05/20/2009 08:47 PM, Chuck Anderson wrote:
> On Wed, May 20, 2009 at 05:46:18PM -0700, Toshio Kuratomi wrote:
>> Since the rpm version shipped in Fedora 10 and beyond defines a default
>> buildroot, I think we can start phasing out the current buildroot
>> Guideline.  How about adding this to the start of the buildroot tag
>> section?
>
> I'd be concerned about accidentally blowing away people's systems if
> they take a src.rpm from Fedora and try to build it on an older Fedora
> or non-Fedora system.
>
> %install
> rm -rf $RPM_BUILD_ROOT
> ...
>
> %clean
> rm -rf $RPM_BUILD_ROOT
>

What will this evaluate to on older systems?  Won't it be "rm -rf\n"? 
Which actually won't remove anything?

-Toshio