* c-common.c (c_common_init): Set options->unsigned_wchar.
* cppinit.c (cpp_create_reader): Default unsigned_wchar,
group target dependencies.
(init_builtins, cpp_handle_option): Update.
* cpplex.c (cpp_interpret_charconst): Update.
* cpplib.h (struct cpp_options): Add unsigned_wchar, rename
signed_char to unsigned_char, group target dependencies.
* defaults.h (WCHAR_UNSIGNED): Remove.
* system.h (WCHAR_UNSIGNED, MAX_CHAR_TYPE_SIZE): Poison.
config:
* freebsd.h, interix.h, alpha/freebsd.h, arm/freebsd.h,
i386/386bsd.h, i386/beos-elf.h, i386/bsd386.h, i386/cygwin.h,
i386/djgpp.h, i386/freebsd-aout.h, i386/i386-interix.h,
i386/win32.h, ia64/freebsd.h, mips/netbsd.h, rs6000/freebsd.h,
sh/elf.h, sh/sh.h, sparc/freebsd.h: Remove WCHAR_UNSIGNED.
doc:
* tm.texi: Remove MAX_CHAR_TYPE_SIZE.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53271
138bc75d-0d04-0410-961f-
82ee72b054a4