The -current PLIST-main for qt3 has five bogus files in it. The files are supposed to be for creating netscape api plugins, but they are actually just empty/dummy files telling you to download the real header files from netscape.
--- ports/x11/qt3/pkg/PLIST-main.orig Sat Feb 17 10:59:04 2007 +++ ports/x11/qt3/pkg/PLIST-main Sun Aug 12 21:20:28 2007 @@ -31,11 +31,6 @@ bin/uic3 bin/uic3-mt include/X11/qt3/ -include/X11/qt3/jri.h -include/X11/qt3/jri_md.h -include/X11/qt3/jritypes.h -include/X11/qt3/npapi.h -include/X11/qt3/npupp.h include/X11/qt3/private/ include/X11/qt3/private/qapplication_p.h include/X11/qt3/private/qcolor_p.h
