[gold patch] Incremental 15/18: Add --incremental-base option.

[Cary Coutant]

>> 2011-05-24 Cary Coutant  <ccoutant@google.com>
>>
>>       * gold.cc (queue_initial_tasks): Pass incremental base filename
>>       to Output_file::open_base_file; don't print error message.
>>       * incremental-dump.cc (main): Adjust call to
>>       Output_file::open_for_modification.
>>       * incremental-dump.cc (main): Likewise.
>>       * incremental.cc (Incremental_inputs::report_command_line):
>>       Ignore --incremental-base option when comparing command lines.
>>       Ignore parameter when given as separate argument.
>>       * options.h (class General_options): Add --incremental-base.
>>       * output.cc (Output_file::Output_file):
>>       (Output_file::open_base_file): Add base_name and writable parameters;
>>       read base file into new file; print error message here.
>>       (Output_file::map_no_anonymous): Add writable parameter; adjust all
>>       callers.
>>       * output.h (Output_file::open_for_modification): Rename to...
>>       (Output_file::open_base_file): ...this; add base_name and
>>       writable parameters; adjust all callers.
>>       (Output_file::map_no_anonymous): Add writable parameter; adjust all
>>       callers.
>>       * testsuite/Makefile.am (incremental_test_4): Test
>>       --incremental-base.
>>       * testsuite/Makefile.in: Regenerate.
>
> This is OK.

Thanks, committed.

-cary