* binemul.h (do_ar_emul_append): Declare.

	* binemul.h (do_ar_emul_append): Declare.
	* binemul.c (any_ok): New function.
	(do_ar_emul_append): Rename from do_ar_emul_default_append.  Make
	global, add check arg.  Adjust callers.
	(ar_emul_default_replace): Tidy.
	* configure.tgt (powerpc-*-aix[5-9]*,rs6000-*-aix[5-9]*): Use
	bin_aix_emulation.
	* emul_aix.c (bin_aix5_emulation, ar_emul_aix_internal): Delete.
	(ar_emul_aix5_append, ar_emul_aix5_replace): Delete.
	(check_aix): New function.
	(ar_emul_aix_append, ar_emul_aix_replace): Rewrite.