Patch: Fix for bootstrap/3075

[Tom Tromey]

>>>>> "Nathan" == Nathan Sidwell <nathan@codesourcery.com> writes:

Nathan> No, not something Tom broke. The in-soruce dir build now gets
Nathan> further and breaks at this new point. AFAICT sorry for being
Nathan> unclear -- Tom, I really appreciate your work on the config
Nathan> stuff.

Whew.  When I saw your email I was afraid I somehow missed another
case :-)

Nathan> Anyway, although Tom has fixed two problems with in-source dir
Nathan> building, there remains at least one more.

That's odd, since libstdc++ built for me each time, including the
in-source-tree builds.

Tom