Makefile.in (LIBCPP_DEPS): Remove coretypes.h and $(TM_H).
* Makefile.in (LIBCPP_DEPS): Remove coretypes.h and $(TM_H).
(hashtable.o, line-map.o, mkdeps.o): Likewise, from dependency
list. Move these all together down by cpplib.
* cpplib.h: Don't refer to MAX_WCHAR_TYPE_SIZE when determining
definition of CPPCHAR_SIGNED_T.