stripping symbols needed for relocations

[Nick Clifton]

Hi Jan,

> binutils/
> 2004-12-15 Jan Beulich  <jbeulich@novell.com>
> 
> 	* doc/binutils.texi: Document --strip-unneeded-symbol and
> 	--strip-unneeded-symbols.
> 	* objcopy.c (strip_unneeded_list): New.
> 	(enum command_line_switch): Add OPTION_STRIP_UNNEEDED_SYMBOL
> 	and OPTION_STRIP_UNNEEDED_SYMBOLS.
> 	(copy_options): Add  --strip-unneeded-symbol and
> 	--strip-unneeded-symbols.
> 	(copy_usage): Likewise.
> 	(filter_symbols): Suppress copying of symbol if in
> strip_unneeded_list
> 	and the symbol is not needed.
> 	(copy_main): Handle OPTION_STRIP_UNNEEDED_SYMBOL and
> 	OPTION_STRIP_UNNEEDED_SYMBOLS.

Approved - please apply, but ...

   * Please also add an entry to binutils/NEWS mentioning this new feature.

   * Please consider creating a new test in the binutils testsuite to 
check the behaviour of this feature.

Cheers
   Nick