libgnome-duplicate symbol failure

[Vincent McGarry]

On a MacBok Pro, Core 2 Duo, 2.4 GHz, running Leopard.

gcc -dynamiclib  -o .libs/libgnome-2.0.2000.1.dylib  .libs/ 
libgnometypebuiltins.o .libs/gnome-config.o .libs/gnome-sound.o .libs/ 
gnome-triggers.o .libs/gnome-program.o .libs/gnome-help.o .libs/gnome- 
exec.o .libs/gnome-gconf.o .libs/gnome-i18n.o .libs/gnome-url.o .libs/ 
gnome-util.o .libs/gnome-score.o .libs/gnome-init.o  -L/opt/local/lib / 
opt/local/lib/libgnomevfs-2.dylib /opt/local/lib/libxml2.dylib /opt/ 
local/lib/libdbus-glib-1.dylib /opt/local/lib/libdbus-1.dylib /opt/ 
local/lib/libssl.dylib /opt/local/lib/libcrypto.dylib /opt/local/lib/ 
libz.dylib /opt/local/lib/libhowl.dylib /opt/local/lib/ 
libbonobo-2.dylib /opt/local/lib/libORBitCosNaming-2.dylib /opt/local/ 
lib/libbonobo-activation.dylib /opt/local/lib/libgconf-2.dylib /opt/ 
local/lib/libORBit-2.dylib /opt/local/lib/libgmodule-2.0.dylib /opt/ 
local/lib/libgthread-2.0.dylib /opt/local/lib/libgobject-2.0.dylib / 
opt/local/lib/libglib-2.0.dylib /opt/local/lib/libintl.dylib /opt/ 
local/lib/libiconv.dylib /opt/local/lib/libesd.dylib /opt/local/lib/ 
libaudiofile.dylib -lm /opt/local/lib/libpopt.dylib  -Wl,-framework - 
Wl,CoreAudio -install_name  /opt/local/lib/libgnome-2.0.dylib - 
compatibility_version 2001 -current_version 2001.1
ld: duplicate symbol _g_bit_nth_lsf in .libs/gnome-config.o and .libs/ 
libgnometypebuiltins.o

collect2: ld returned 1 exit status
make[3]: *** [libgnome-2.la] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

Warning: the following items did not execute (for libgnome):  
org.macports.activate org.macports.build org.macports.destroot  
org.macports.install
Error: Status 1 encountered during processing.

Thanks for any help.

Vince