pkg_create with only @depend

[Will H. Backman]

Is it possible to create a package using the pkg_create command where 
the packinglist only contains @depend.
I'm trying to create a packinglist that contains:

@comment This is a package
@name xfce-meta-0.1
@depend x11/xfce4/xf*
To build a package that installs all the xfce4 stuff.  Essentially a 
meta-package.

-- Will