"make depend" fails, cc1: no such file

[LLeweLLyn Reese]

Stephen G Smith <stepheng-16 at cox.net> writes:

> I am running FreeBSD 5.1-RELEASE, and I want to add firewall support to
> my kernel. So, I carefully read and followed the instructions in section
> 9.3 of the FreeBSD Handbook. But when I run "make depend" i get this
> error:
> 
> cc: installation problem, cannot exec 'cc1': no such file or directory
> *** Error code 1
[snip]

Maybe you didn't install any of the -developer distributions ?