portupgrade (portsdb) failure on fresh 4.10-STABLE

[Jubal Kessler]

I get this error when running 'portsdb -uU':

# portsdb -uU
Updating the ports index ... Generating INDEX.tmp - please 
wait.."/usr/ports/Mk/bsd.kde.mk", line 86: Malformed conditional 
(${USE_QT_VER} == 1)
"/usr/ports/Mk/bsd.kde.mk", line 86: Need an operator
"/usr/ports/Mk/bsd.kde.mk", line 96: Malformed conditional 
(${USE_QT_VER} == CVS)
"/usr/ports/Mk/bsd.kde.mk", line 96: Need an operator
"/usr/ports/Mk/bsd.kde.mk", line 114: Malformed conditional 
(${USE_QT_VER} == 3)
"/usr/ports/Mk/bsd.kde.mk", line 114: Need an operator
"/usr/ports/Mk/bsd.port.mk", line 1188: if-less endif
"/usr/ports/Mk/bsd.port.mk", line 1188: Need an operator
make: fatal errors encountered -- cannot continue

# uname -a
FreeBSD xxx 4.10-STABLE FreeBSD 4.10-STABLE #0: Sat Jul 31 16:22:53 EDT 
2004     root at xxx:/usr/obj/usr/src/sys/XXX  i386

My ports-supfile is default, "ports-all" is selected.
Both "bsd.kde.mk" and "bsd.port.mk" are unchanged from default.

Any ideas?