* Makefile.in (CRTSTUFF_CFLAGS): New.
(crtbegin.o, crtend.o, crtbeginS.o, crtendS.o, crtbeginT.o): Use it.
* config.gcc (alpha-linux, alpha-freebsd, alpha-netbsd): Use plain
crtstuff.c instead of alpha assembly version.
* crtstuff.c (CRT_CALL_STATIC_FUNCTION): Rewrite to assume the
entire dummy function sequence. Use FORCE_CODE_SECTION_ALIGN
not FORCE_{INIT,FINI}_SECTION_ALIGN.
(__do_global_dtors_aux): Mark used.
(frame_dummy, __do_global_ctors_aux): Mark used.
(fini_dummy, init_dummy): Remove.