problem upgrading from 5.0 to 5.1

[Michael L. Squires]

> I've got a box on which 5.0-RELEASE was installed.  I updated the source
> tree using cvsup to RELENG_5_1 and tried to recompile, and now every

RELENG_5_1 is compiling for me (as of 7/4).

Are you running

mergemaster -p
make buildworld
make buildkernel KERNCONF=<yours>
make installkernel KERNCONF=<yours>
<reboot to single user mode>
make installworld
mergemaster
<reboot to multi-user mode>

Michael Squires