always be used in other builtin.mk files.
+ In the USE_BUILTIN.* == "yes" case, set BUILDLINK_LIBNAME.* to the
corresponding BUILTIN_LIBNAME.* value so that BUILDLINK_LIBNAME.*
can always be used in other buildlink3.mk files.
that need basic termlib functionality, i.e. tgetent(), tgoto(),
tputs(), etc. Together with the termlib.builtin.mk file, they will
use either a built-in termcap library, a built-in X/Open "enhanced"
curses library, or ncurses to provide these functions.
+ Add BUILDLINK_LIBNAME.* definitions to the various curses buildlink3.mk
and builtin.mk files that give the "base" library name of the curses
library, e.g. curses, ncurses, etc. These are used by the termlib
files to set BUILDLINK_LIBNAME.termlib.
