[fedora-java] decoupling libgcj from gcc.src.rpm

[Andrew Haley]

Tom Tromey writes:

 > We should make -findirect-dispatch the default and we should push
 > C++-ABI-breaking changes.  The only difficulty here is that frysk
 > uses the C++ ABI.

Why is that an issue?  Surely if we change the default to indirect,
frysk will also change.  I'm assuming the frysk build uses whatever
the default happens to be...

Andrew.