wchar support for libtre in 4.8-release?

[Dave Clark (Linkport)]

I'm having trouble building libtre on 4.8-release box.  Does release 4.8
have Wide Character support?  I see some hints in the 5.0 release notes
that hint that older versions (e.g. 4.x) may not have support, such as
"Various routines in the C library now have support for ``wide''
characters."
 
%uname -s -r -m
FreeBSD 4.8-RELEASE i386
%pwd
/a/ports/textproc/libtre
%sudo make
===>  libtre-0.3.2 need wchar support.

Is it even possible to build & install the libtre port on 4.8?
 
Thanks,
-Dave Clark
Archinetix, Inc.