Failed building kdebase-workspace-4.5.5_1 cannot find the library liblzma.la

[Troy]

>> Anyone have an idea why it can't find liblzma.la or what port I need
>> to install to make that library available?
> archivers/xz installs liblzma.la.
>

It looks like it's part of the base system but I apparently don't have 
that library for some reason?

oz:102:/usr/ports/archivers/xz# make install clean
===>  xz-5.0.1 is already in the base system.
*** Error code 1

Stop in /usr/ports/archivers/xz.
Exit 1