BDEPEND=X? ( x11-libs/libX11 x11-libs/libSM x11-libs/libICE ) blas? ( virtual/blas ) cuda? ( >=dev-util/nvidia-cuda-toolkit-4.2.9-r1 ) opencl? ( virtual/opencl ) fftw? ( sci-libs/fftw:3.0 ) hwloc? ( =dev-util/nvidia-cuda-toolkit-4.2.9-r1 ) opencl? ( virtual/opencl ) fftw? ( sci-libs/fftw:3.0 ) hwloc? (