gold patch committed: Add support for EXTERN in linker scripts

[Ian Lance Taylor]

I committed this patch to gold to add support for EXTERN in linker
scripts.  EXTERN names an undefined symbol, like -u on the command line.

Ian


2009-03-24  Ian Lance Taylor  <iant@google.com>

	* yyscript.y (file_cmd): Recognize EXTERN.
	(extern_name_list, extern_name_list_body): New nonterminals.
	* script.cc (script_add_extern): Define.
	* script-c.h (script_add_extern): Declare.


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