libgcj problems on panther

[Andrew Haley]

Tom Tromey writes:
 > >>>>> "Andreas" == Andreas Tobler <toa@pop.agri.ch> writes:
 > 
 > Andreas> since a few days panther (OS-X 10.3) is out and gives us some nice
 > Andreas> improvements regarding build speed. Unfortunately we also have a
 > Andreas> serious problem to run the testsuite in libgcj. It is not only
 > Andreas> testsuite related.
 > 
 > Andreas> Andrew Pinski found out, if we remove the
 > Andreas> gnu/gcj/convert/Output_ASCII.class from the buildtree, the app runs
 > Andreas> with and with out CLASSPATH set. It also runs in the builddir.
 > 
 > Ok, Panther doesn't have a shared libgcj, so Output_ASCII isn't
 > linked in.  So libgcj tries to load the .class file...
 > 
 > Andreas> 262         next = *n;
 > Andreas>          n = (_Jv_MethodChain **) 0x38
 > Andreas>          thread = (struct Thread *) 0x0
 > 
 > This is the immediate cause of the crash.  `n' is garbage and
 > `thread' is null.
 > 
 > I think this happens because we're running this code before the first
 > thread has been started, so there isn't a valid method chain.
 > 
 > We aren't really set up to be doing this sort of thing.  You could try
 > working around this crash somehow, but there's no guarantee that you
 > won't run into another one afterward...

Surely the thing to do here is make Panther use a shared libgcj.  Tons
of stuff won't work until that happens.

Andrew.