[patch] Add extended .def aliasing feature to ld

[Nick Clifton]

Hi Kai,

> 2009-10-23  Kai Tietz  <kai.tietz@onevision.com>
> 
> 	* deffile.h (def_file_export): New member its_name.
> 	(def_file_import): Likewise.
> 	(def_file_add_export): Add argument its_name.
> 	(def_file_add_import): Likewise.
> 	* deffilep.y (def_exports): Add argument its_name.
> 	(def_import): Likewise.
> 	(EQUAL): Add new token for '=='.
> 	(opt_equalequal_name): New rule.
> 	(expline): Add rule opt_equalequal_name.
> 	(impline): Likewise.
> 	(def_file_free): Free for exports and imports
> 	the optional member its_name.
> 	(def_lex): Add scan of '==' as EQUAL.
> 	* pe-dll.c (pe_export_sort): Sort for its_name too.
> 	(process_def_file_and_drectve): Adjust calls to
> 	def_file_add_export.
> 	(generate_edata): Take its_name in account.
> 	(make_one): Likewise.
> 	(pe_process_import_defs): Likewise.
> 	(pe_dll_generate_def_file): Add print of new '==' option.
> 	* ld.texinfo: Extend documentation about .def file syntax.

Approved, please apply, but ... please also add an entry to the 
binutils/NEWS file mentioning this new feature.

Cheers
   Nick