configure error: HAVE_INTTYPES_H set in error

[Jeffrey A Law]

  In message < 199807101535.IAA09698@cygnus.com >you write:
  > 
  > config.log shows that both criteria for HAVE_INTTYPES_H have
  > failed, yet it ends up set, so that I have to add #undef
  > HAVE_INTTYPES_H to xm-cygwin32.h.  There doesn't appear to
  > be any checking for existence of <wctypes.h> or even cwctype.
Note that sometimes HAVE_INTTYPES_H is set statically by configure.in
instead of relying on autoconf.

You don't mention the host, target, build values in this message so
I don't know if that's the problem you're running into.