* ldemul.h (ldemul_open_dynamic_archive): Add search parameter to

	* ldemul.h (ldemul_open_dynamic_archive): Add search parameter to
	declaration.
	(ld_emulation_xfer_type): Add search parameter to
	open_dynamic_archive entry point.
	* ldemul.c (ldemul_open_dynamic_archive): Add search parameter.
	* ldfile.c (ldfile_try_open_bfd): Rename from try_open_bfd, and
	make non-static.  Change all callers to use new name.
	(ldfile_open_file_search): Make static.  If entry is dynamic, call
	ldemul_open_dynamic_archive.
	(ldfile_open_file): Don't call ldemul_open_dynamic_archive.
	* ldfile.h (ldfile_open_file_search): Don't declare.
	(ldfile_try_open_bfd): Declare.
	* emultempl/elf32.em (gld${EMULATION_NAME}_open_dynamic_archive):
	Accept search parameter.  Don't search for a library, just look in
	a single place.
	* emultempl/linux.em (gld${EMULATION_NAME}_open_dynamic_archive):
	Likewise.