2009-03-24  Arthur Loiret  <aloiret@debian.org>

	* config.host (alpha*-*-linux*): Use driver-alpha.o and
	alpha/x-alpha.
	* config/alpha/linux.h (host_detect_local_cpu): Declare, add to
	EXTRA_SPEC_FUNCTIONS.
	(MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
	* config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
	* doc/invoke.texi (DEC Alpha Options): Document 'native' value for
	-march and -mtune options.

From-SVN: r145028