source: src/contrib
win.binary: bin/windows/contrib/3.3
win64.binary: bin/windows64/contrib/3.3
mac.binary: bin/macosx/contrib/3.3
mac.binary.mavericks: bin/macosx/mavericks/contrib/3.3
provides: source, win.binary, win64.binary, mac.binary,
        mac.binary.mavericks