2003-09-25  Brad Spencer  <spencer@infointeractive.com>

	PR libstdc++/6072
	* acinclude.m4:
	* aclocal.m4: Regenerate.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* crossconfig.m4: Add in wchar_t bits for solaris crosses.
	* config/io/basic_file_stdio.cc: Guard unistd.h.
	* include/c_compatibility/wchar.h: Guard extra wchar_t functionality.
	* include/c_std/std_cwchar.h: Same.
	* include/c_std/std_cwctype.h: Same.

From-SVN: r71795