* objcopy.c (add_strip_symbol): New function, adds a name to an
explicit list of symbols to strip.
(is_strip_symbol): New function, reports whether the name argument
is in the explicit list.
(filter_symbols): Check against is_strip_symbol above all.
(strip_main): Recognize -N option. If used, don't default to
strip_all.
(copy_main): Recognize -N option.
(strip_usage): Document -N and --strip-symbol options.
(copy_usage): Ditto.
* objcopy.1, strip.1, binutils.texi: Document -N and
--strip-symbol options.
aspects of the target for each program.
* objdump.c (long_options, usage): Add long equivalents for all
remaining short options that lacked them.
* binutils.texi objdump.1: Document them.
* size.c (usage): Tweak usage message.
* size.1: Add missing `=' in examples.
* binutils.texi strip.1 objcopy.1 nlmconv.1 objcopy.c nlmconv.c:
Use "--target=bfdname" as the option to select the BFD target,
like nm and size already do.
Reserve "--format=format" for textual output selection options, but
for now keep old option names as obsolete for backward compatibility.
* strings.c (main, strings_object_file, usage): Add --target option.
* binutils.texi strings.1: Document it.
(cplus-dem.o): Link c++filt with version.o.
* strings.c: Include bucomm.h and add prototypes to other decls.
Remove -h option.
* bucomm.h: Declare xrealloc.
* nm.c, objcopy.c, objdump.c, size.c, strings.c (main, usage): Add
--help option. Put "GNU" in the version message.
(usage): Take stream and exit status as args.
(main): Pass new args to usage.
