thanks for the answer
Finally I succeeded by modifying the Makefile.
Here is what I did :
Configure step : ./configure --prefix=/usr --with-password --with-password-string="blabla"
And now, modify the file src/Makefile :
add "-I/usr/include/libgnomeui-2.0" at the end of the line GNOME_PANEL_DEP_CFLAGS
add "-lgnomeui-2" at the end of the line GNOME_PANEL_DEP_LIBS
Then the make...
2009-06-14 20:11:42 UTC in gnubiff