backports from f11:
    - add buildjava switch to allow turning off the java bits completely
    - add buildcheck to allow turning off make check
    - drop cvs requires for autopoint (Karl Lattimer, #469555)
    - add upstream gettext-xgettext-python-unicode-surrogate-473946.patch by
        Bruno Haible to fix xgettext handling of utf16 surrogates in python
        (#473946)