Unresolved references to __builtin functions building libgcj

[Tom Tromey]

>>>>> "Bryce" == Bryce McKinlay <bryce@albatross.co.nz> writes:

Bryce> Right. And for some reason libgcj isn't linked to libstdc++:

Bryce> It should be, right? So I added an explicit -lstdc++. Now I'm
Bryce> getting this:

Do we really want to do that?
Everything in libstdc++ except the low-level support bits is not
useful to libgcj.

Tom