src upgrade from 4.11-p16 to 5.4 possible? (some success)

[B. Cook]

> 
> [root at FreeBSD /usr/src]# echo $?
> 0
> [root at FreeBSD /usr/src]# make -j6 buildworld
> 
> The CPUTYPE is not defined in /etc/make.conf, trying to make a clean 
> build..
> 
> and this is RELENG_5_2_1
> 
> so make buildworld on this box completes.
> 
> I am going to try RELENG_5_3 and then if so then good ;)
> 

RELENG_5_3 builds world as well.. so 5_4 is the stumbling block..