3.0: unwinder changes

[Andrew Haley]

Alexandre Petit-Bianco writes:
 > 
 > Andrew Haley writes:
 > 
 > > Note that you need new binutils to build on Alpha.
 > 
 > Newer than what? I've been using 2.10.1, should I be using a source
 > snapshot instead?

That's what I did.  I don't know if 2.10.1 will work.

Andrew.