* configure.host (*-*-openbsd*) Set cpu_include_dir.
	* config/os/bsd/openbsd/ctype_base.h: New file.
	* config/os/bsd/openbsd/ctype_configure_char.cc: New file.
	* config/os/bsd/openbsd/ctype_inline.h: New file.
	* config/os/bsd/openbsd/os_defines.h: New file.
	* acinclude.m4 (GLIBCXX_ENABLE_CLOCALE): Use newlib locale model
	for OpenBSD.
	* configure: Regenerated.

From-SVN: r192334