Sablotron build error

[David G. Holm]

I ran cvsup, then portupgrade -rRa and got this error for Sablotron. Is this an
error in the
make files or do I need to set an environment variable or something like that?

netfang# make install
===>   p5-XML-Sablotron-0.98 depends on shared library: sablot.70 - found
===>   p5-XML-Sablotron-0.98 depends on shared library: iconv.3 - found
===>  Configuring for p5-XML-Sablotron-0.98
Global symbol "$expat_libpath" requires explicit package name at ./Makefile.PL
line 52.
Execution of ./Makefile.PL aborted due to compilation errors.
*** Error code 255