repost: libg++ won't build on alphaev56-dec-osf4.0d

[Jeffrey A Law]

  In message < 199812240026.TAA23391@blastula.phys.columbia.edu >you write:
  > 
  > Do we have the ability to make libgcc a shared library?  I bet this
  > will fix Alexandre's problem - and I suspect this is the only thing
  > that will fix all the related problems.
Doing so opens up a whole new can-o-worms.  We discussed this at length about
a year ago.

Though many of the problems probably could be eliminated by moving libgcc.sl
out of libsubdir and handle libgcc.sl in a manner similar to libstdc++.sl

jeff