qucs build error

[Bjarne Bäckström]

On OS X 10.4.11 (intel) with a freshly installed MacPorts:

[...]
/usr/bin/g++-4.0  -O2 -pipe -fno-exceptions -fno-check-new  -L/opt/ 
local/lib -o qucs  -L/lib  node.o element.o qucsdoc.o wire.o  
mouseactions.o qucs.o main.o wirelabel.o qucs_init.o qucs_actions.o  
viewpainter.o mnemo.o schematic.o schematic_element.o textdoc.o  
schematic_file.o qucs.moc.o schematic.moc.o textdoc.moc.o components/ 
libcomponents.a diagrams/libdiagrams.a paintings/libpaintings.a  
dialogs/libdialogs.a -L/usr/X11R6/lib  -lSM -lICE -lX11  -lqt-mt
/usr/libexec/gcc/i686-apple-darwin8/4.0.1/ld: warning -L: directory  
name (/lib) does not exist
/usr/libexec/gcc/i686-apple-darwin8/4.0.1/ld: Undefined symbols:
QPaintDevice::setX11Data(QPaintDeviceX11Data const*)
QWidget::create(unsigned long, bool, bool)
QWidget::x11Event(_XEvent*)
QPaintDevice::x11RenderHandle() const
collect2: ld returned 1 exit status
make[3]: *** [qucs] Error 1
make[2]: *** [all-recursive] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

-- 
Regards,
/Bjarne.