Create a .R file for it which:
- defines a Recipe symbol for it if it requires auxiliary object
- files
+ files (make sure the general Recipe symbol doesn't contain the
+ icon)
- adds it to the `ALL' definition, to ensure it is compiled into
the OS X binary
- - adds it as a GTK build target
- - adds it as a Windows build target
+ - adds it as a GTK build target, with the optional GTK icon
+ - adds it as a Windows build target, with the optional resource
+ file
- adds auxiliary solver binaries if any
- adds it to $(GAMES) in the GTK makefile, for `make install'
- adds it to list.c for the OS X binary