select compute capability 5.0 as default for Kokkos+CUDA preset.

# preset that enables KOKKOS and selects CUDA compilation with OpenMP enabled as well

# preset that enables KOKKOS and selects CUDA compilation with OpenMP

# enabled as well. This preselects CC 5.0 as default GPU arch, since

# that is compatible with all higher CC, but not the default CC 3.5

set(PKG_KOKKOS ON CACHE BOOL "" FORCE)

set(Kokkos_ENABLE_SERIAL ON CACHE BOOL "" FORCE)

set(Kokkos_ENABLE_OPENMP ON CACHE BOOL "" FORCE)

set(Kokkos_ENABLE_CUDA   ON CACHE BOOL "" FORCE)

set(Kokkos_ARCH_MAXWELL50 on CACHE BOOL "" FORCE)

set(BUILD_OMP ON CACHE BOOL "" FORCE)

get_filename_component(NVCC_WRAPPER_CMD ${CMAKE_CURRENT_SOURCE_DIR}/../lib/kokkos/bin/nvcc_wrapper ABSOLUTE)

set(CMAKE_CXX_COMPILER ${NVCC_WRAPPER_CMD} CACHE FILEPATH "" FORCE)