* objcopy.c: Include budbg.h.

	* objcopy.c: Include budbg.h.
	(convert_debugging): New static variable.
	(OPTION_DEBUGGING): Define.
	(copy_options): Add "debugging".
	(copy_usage): Mention --debugging.
	(is_strip_section): Skip debugging sections if convert_debugging.
	(setup_section, copy_section): Likewise.
	(filter_symbols): Skip debugging symbols if convert_debugging.
	(copy_object): If convert_debugging, read and write debugging
	information.
	(write_debugging_info): New static function.
	(copy_main): Handle --debugging.
	* Makefile.in (DEBUG_OBJS): New variable.
	($(OBJCOPY_PROG)): Depend upon and link against $(DEBUG_OBJS).
	($(STRIP_PROG)): Likewise.
	(OBJDUMP_OBJS): Remove variable.
	($(OBJDUMP_PROG)): Use objdump.o $(DEBUG_OBJS) rather than
	$(OBJDUMP_OBJS).
	* binutils.texi, objcopy.1: Document --debugging.