Lite exit support.
* README: Add information about lite-exit.
* acconfig.h (_LITE_EXIT): New macro.
* configure.in (enable-lite-exit): New option.
(_LITE_EXIT): Define new macro.
* configure: Regenerated.
* newlib.hin (_LITE_EXIT): New macro.
* libc/stdlib/__atexit.c [_LITE_EXIT]: Add dummy explicit
reference to __call_exitprocs.
* libc/stdlib/cxa_atexit.c [_LITE_EXIT]: Make __register_exitproc a
weak reference.
* libc/stdlib/exit.c (exit)[_LITE_EXIT]: Remove TWS and weakly reference
__call_exitprocs.
* newlib.hin (_WCHAR_ORIENT): Undef
* configure.in (--enable-newlib-wchar-orient): New option.
* configure: Regenerated.
* libc/configure.in (--enable-newlib-wchar-orient): New option.
* libc/configure: Regenerated.
* libc/stdio/Makefile.am (NEWLIB_WIDE_ORIENT): Use.
* libc/stdio/Makefile.in: Regenerated.
* libc/stdio/local.h (ORIENT): Use _WCHAR_ORIENT to control
the definition. Add alternative definition.
* libc/stdio/vfprintf.c (__sfputs_r, __sprint_r): Use _WCHAR_ORIENT
to control the wide char output.
* newlib.hin (_FVWRITE_IN_STREAMIO): Undefine.
* configure.in (--disable-newlib-fvwrite-in-streamio): New option.
* configure: Regenerated.
* libc/stdio/fputs.c (_fputs_r): Use _FVWRITE_IN_STREAMIO to
control __sfvwrite_r. Add alternative implementation.
* libc/stdio/fputws.c (_fputws_r): Ditto.
* libc/stdio/fwrite.c (_fwrite_r): Ditto.
* libc/stdio/puts.c (_puts_r): Ditto.
* libc/stdio/vfprintf.c (__ssputs_r, __sfputs_r): New function.
(_VFPRINTF_R): Use _FVWRITE_IN_STREAMIO to control vector buffer.
(__SPRINT): Use _FVWRITE_IN_STREAMIO to control macro definition.
* libc/stdio/vfwprintf.c (_VFWPRINTF_R): Use _FVWRITE_IN_STREAMIO
to control vector buffer.
* configure.in: Add new --enable-newlib-reent-small option.
* configure: Regenerated.
* acconfig.h: Add _WANT_REENT_SMALL.
* newlib.hin: Regenerated minus PACKAGE macros to add
_WANT_REENT_SMALL macro.
* libc/include/sys/config.h[_WANT_REENT_SMALL]: Set _REENT_SMALL
if not already set.
* libc/stdio/fflush.c[_REENT_SMALL]: Return immediately if
there is no buffer.
* libc/stdio/local.h[_REENT_SMALL]: Fix CHECK_INIT macro to
use reentrant pointer passed in when resetting the file
pointer to one of the std streams.
Jeff Johnston