We tried to compile an old X11R4/Motif program with X115 and a newer
Version of Motif.

But we newer succeed. Any ideas?

CC  -o xtrack.new main.o libxtrack.a ../xutils/libxutils.a ../pmshort/libpmshort.a  ../matrix/libmatrix.a  otte/lib_otte.a verb/lib_verb.a /tools/newmotif/lib/libMrm.a /tools/newmotif/lib/libXm.a -L/tools/X11R5/lib -lXaw -lXmu -lXt -lX11  -lL -lm -lXext 
cXm.a -lXaw -lXmu -lXt -lX11 -lL -lm -lXext -L/usr/CC/sun4/ -lC
ld: /tools/X11R5/lib/libXaw.sa.5.0(sharedlib.o): _vendorShellWidgetClass: multiply defined
*** Error code 2
make: Fatal error: Command failed for target `xtrack'

Thanks FvD.