2011-03-30  Christian Schüler  <cschueler@gmx.de>

	PR/driver 48208
	* config/c.opt (F): Added 'Driver' to -F option.
	PR/driver 48260
	* config/darwin-driver.c (darwin_driver_init): Add '-arch' to
	  handler function.
	* config/darwin.opt: Added '-arch' option.

From-SVN: r171727