Convert install path from lib64 to lib (if 64bit OS).
Makefile
  Add following two buildlinks:
  +.include "../../wip/libhid/buildlink3.mk"
  +.include "../../wip/libftdi1/buildlink3.mk"
  (The first one doesn't make it yet, while the second one is
  now effective).
TODO
  Update configure result.