(In reply to comment #1)
> http://comments.gmane.org/gmane.comp.freedesktop.xorg.devel/32267
> 
> So why are you trying to build libdrm_intel on an operating system that
> doesn't have Intel KMS?

FreeBSD-9.1 will have Intel KMS support and have the same problem.

http://wiki.freebsd.org/Intel_GPU