[patch 3.4/3.5] libffi & libjava port for hppa-linux

[Matthias Klose]

Andrew Haley writes:
> I guess I need to clarify what I said.
> 
> It's okay to check these changes into mainline, but until the test
> failures are fixed we shouldn't enable Java by default.

how is a language disabled for one specific target?

what are the criteria to disable it for one target, not for
another (i.e. s390-linux shows 900 test failures in libjava).

	Matthias