* Makefile.in (c-common.o, cppinit.o): Update.
	* c-common.c: Include except.h.
	(cb_register_builtins): Handle __USING_SJLJ_EXCEPTIONS__.
	Call TARGET_CPU_CPP_BUILTINS and TARGET_OS_CPP_BUILTINS.
	* cppinit.c (__USING_SJLJ_EXCEPTIONS): Not here.
	* defaults.h (TARGET_OS_CPP_BUILTINS, TARGET_CPU_CPP_BUILTINS,
	CPP_PREDEFINES): Handle here.
config:
	* alpha/alpha-interix.h, alpha/gnu.h, alpha/linux.h,
	alpha/netbsd.h, alpha/openbsd.h, alpha/osf.h, alpha/unicosmk.h,
	alpha/vms.h, alpha/vxworks.h: Remove CPP_PREDEFINES, define
	TARGET_OS_CPP_BUILTINS.
	* alpha/alpha.h (TARGET_CPU_CPP_BUILTINS): Define.
	(CPP_SPEC, EXTRA_SPECS): Update.
	(CPP_AM_BWX_SPEC, CPP_AM_MAX_SPEC, CPP_AM_FIX_SPEC,
	CPP_AM_CIX_SPEC, CPP_IM_EV4_SPEC, CPP_IM_EV5_SPEC,
	CPP_IM_EV6_SPEC, CPP_CPU_EV4_SPEC, CPP_CPU_EV5_SPEC,
	CPP_CPU_EV56_SPEC, CPP_CPU_PCA56_SPEC, CPP_CPU_EV6_SPEC,
	CPP_CPU_EV67_SPEC, CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Remove.
doc:
	* tm.texi (TARGET_REGISTER_CPP_BUILTINS): Remove.
	(TARGET_OS_CPP_BUILTINS, TARGET_CPU_CPP_BUILTINS): Define.

From-SVN: r53410