Added ebuild for LibFlatArray

repoman gives me these errors, but I don't know how to resolve them. Any suggestions? Isn't the cuda useflag already masked for ppc?

dev-libs/libflatarray/libflatarray-0.1.1.ebuild: DEPEND: ~ppc(default/linux/powerpc/ppc32/13.0) ['dev-util/nvidia-cuda-toolkit']