From Eric Youngdale <eric@andante.jic.com>:

	From Eric Youngdale <eric@andante.jic.com>:
	* ldlex.l (V_TAG, V_IDENTIFIER): New macros.
	(VERS_START, VERS_SCRIPT, VERS_NODE): New states to parse version
	information.
	(ldlex_version_script, ldlex_version_file): New functions.
	* ldlex.h (enum input_enum): Add input_version_script.
	(ldlex_version_script): Declare.
	(ldlex_version_file): Declare.
	* ldgram.y (%union): Add deflist, versyms, and versnode.
	(VERS_TAG, VERS_IDENTIFIER): New terminals.
	(GLOBAL, LOCAL, VERSION, INPUT_VERSION_SCRIPT): New terminals.
	(file): Accept INPUT_VERSION_SCRIPT.
	(ifile_p1): Accept version.
	(version_script_file): New nonterminal.
	(version, vers_nodes, vers_node): Likewise.
	(verdep, vers_tag, ver_defns): Likewise.
	* ldlang.c (lang_elf_version_info): New global variable.
	(lang_new_vers_regex): New function.
	(lang_new_vers_node): New function.
	(version_index): New static variable.
	(lang_register_vers_node): New function.
	(lang_add_vers_depend): New function.
	* ldlang.h (lang_elf_version_info): Declare.
	(lang_new_vers_regex, lang_new_vers_node): Declare.
	(lang_add_vers_depend, lang_register_vers_node): Declare.
	* lexsup.c (OPTION_VERSION_SCRIPT): Define.
	(ld_options): Add "version-script".
	(parse_args): Handle OPTION_VERSION_SCRIPT.
	* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation):
	Pass lang_elf_version_info to size_dynamic_sections.
	* scripttempl/elf.sc: Add .gnu.version sections.