Choosing linker scripts (was Re: [v3] more symbol exports)

[Benjamin Kosnik]

> 2002-02-20  Phil Edwards  <pme@gcc.gnu.org>
> 
> 	* acinclude.m4 (GLIBCPP_CHECK_LINKER_FEATURES):  Also check version.
> 	(GLIBCPP_ENABLE_SYMVERS):  Redo logic, use linker version.
> 	* configure.in (GLIBCPP_ENABLE_SYMVERS):  Move later in the script.
> 	* aclocal.m4:  Regenerate.
> 	* configure:  Regenerate.
> 	* config/linker-map.dummy:  New file.  Contains nothing useful.

Great this looks good Phil. 

Is there any sane way to know if libgcc is shared? Or is this something 
that we will have to set on a case-by-case basis in config.target?

-benjamin