can't find kernel source tree

[Lasander]

I'm trying to install the Nvidia driver and I get the following message after I type make install

%make install
===> src (install)
"/usr/share/mk/bsd.kmod.mk", line 12: "can't find kernel source tree"
*** Error code 1

Stop in /usr/home/Kalital/NVIDIA-FreeBSD-x86-1.0-8178.

I am not sure of the problem I don't have much experiance with Unix problems.

[mnd999]

You probably don't have it installed.

Follow the instructions on this page (well the first few anyway) to install it and all should be well.

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-building.html

[Lasander]

I ran sysinstall and I cant seem to find an FTP site with 6.0-RELEASE-p4.
I tried the CD I downloaded but there isn't anything under the /usr/src/ directory.