t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.

t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.

	* config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
	* config/t-darwin (crt3.o): Use it.
	* config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
	'pmode', use Pmode instead of SImode for SYMBOL_REF.
	* config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
	call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
	call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
	support.

From-SVN: r113319