Change gdb/common/ to use Automake

[Tom Tromey]

>>>>> "Yao" == Yao Qi <yao@codesourcery.com> writes:

Tom> Here's a diff.  No ChangeLog yet.  If you want to try it and report
Tom> problems, that would be helpful.  I sent all the files, including
Tom> generated ones, for convenience.

Yao> I tested this diff on my linux system, and build gdb/gdbserver as
Yao> native debugger, and arm cross debugger.

Thanks for trying it.

I think the problems may arise if you try a funny host -- one that needs
some of the gnulib replacement functions.

Yao>  `make clean' can't remove some files.  The rest works well to me.

Yao> This patch is to clean generated files, applied on top of Tom's patch.

Thanks!

Yao> I really want gdbserver automake patch in trunk, then, I don't have to
Yao> worry about dependency tracking when I add new .h files in common/

I think it may be better to check this in just after branching for a new
release.  That way we have the most time available to fix breakage.

Tom