cannot find the library `' or unhandled argument `-F/opt/local/Library/Frameworks'

[Ben Abbott]

My build has started failing in libgui.  Is anyone seeing something similar, or 
have an idea which recent changeset might be responsible?

make  all-am
/bin/sh ../libtool --tag=CXX   --mode=link /opt/local/bin/g++-mp-4.5 
-I/opt/local/include -I/opt/local/include/freetype2 -I/opt/local/include 
-I/opt/local/include   -pipe -O0 -g -m64 -ggdb3 -gstabs -D_THREAD_SAFE 
-D_THREAD_SAFE -pthread -version-info 0:0:0 -no-undefined -bindir 
/usr/fubar/bin -L/opt/local/lib  -headerpad_max_install_names -D_THREAD_SAFE 
-L/opt/local/lib -o liboctgui.la -rpath /usr/fubar/lib/octave/3.7.0+  
qterminal/libqterminal.la src/libgui-src.la ../libinterp/liboctinterp.la 
../liboctave/liboctave.la -lQtCore -lQtGui -lQtNetwork -lqscintilla2  -lm  
libtool: link: warning: 
`/opt/local/lib/gcc45/gcc/x86_64-apple-darwin11/4.5.4/../../../libgfortran.la' 
seems to be moved
libtool: link: warning: 
`/opt/local/lib/gcc45/gcc/x86_64-apple-darwin11/4.5.4/../../../libgfortran.la' 
seems to be moved
libtool: link: warning: 
`/opt/local/lib/gcc45/gcc/x86_64-apple-darwin11/4.5.4/../../../libgfortran.la' 
seems to be moved
libtool: link: cannot find the library `' or unhandled argument 
`-F/opt/local/Library/Frameworks'
make[1]: *** [liboctgui.la] Error 1

Ben