kernel-2.6.9-1.675_EL.i586.rpm has no /lib/`uname -r`/build

[Ryan Nelson <ryan email arc nasa gov>]

What happen to the "build" dir in the new kernel?  I defiantly can't 
build my Nvidia driver now =).

P.S
[root mokey SPECS]# diff kernel-2.6.spec kernel-2.6.spec.org
8c8
< %define buildsource 0
---
> %define buildsource 1
10c10
< %define builddoc 0
---
> %define builddoc 1
[root mokey SPECS]#rpmbuild -ba --target=i686 kernel-2.6.spec

Ryan