[libstdc++] Option to allow symbol versioning

[Richard Henderson]

On Thu, Feb 14, 2002 at 01:23:48PM -0500, Phil Edwards wrote:
> +## The symbol version here is a SWAG based on libgcc-std.ver.
> +GCC_3.1 {

The symbol version tag defines an ABI.  Since you implement different
functionality from libgcc, you should have your own tag.

Perhaps I should have made this more clear by choosing LIBGCC_3.1
elsewhere, but its too late now.

> +#    DW.ref.__gxx_personality_v0;   # I have no idea what this is.

This shouldn't be exported.  In fact, I believe it is marked .hidden
so that it _cannot_ be exported.


r~