/etc/x11/fvwm2/system.fvwm2rc should include lines similar to: AddToMenu Red_Hat_Linux "Programs" Title PipeRead "wmconfig --output fvwm2" to automatically include entries for installed programs in the fvwm2 menu tree. See also bug #2664.
assigned to pbrown
fixed in fvwm2-2.2.2-3 (next release).