[CMake] building cmake with special options

[Doug Henry]

I need to specify my ncurses include/lib path when building cmake.  I
didn't see a way to do this using the config script, so I tried -D's
during bootstrap (make) and it complained that -D was an invalid
option.  Is there a way for me to override the CURSES_INCLUDE_PATH and
CURSES_LIBRARY when building cmake?