# preset that enables KOKKOS and selects HIP compilation withOUT OpenMP.
# Kokkos OpenMP is not compatible with the second pass of hipcc.
set(PKG_KOKKOS ON CACHE BOOL "" FORCE)
set(Kokkos_ENABLE_SERIAL ON CACHE BOOL "" FORCE)
set(Kokkos_ENABLE_OPENMP OFF CACHE BOOL "" FORCE)
set(Kokkos_ENABLE_CUDA   OFF CACHE BOOL "" FORCE)
set(Kokkos_ENABLE_HIP    ON CACHE BOOL "" FORCE)
set(Kokkos_ARCH_VEGA90A on CACHE BOOL "" FORCE)
set(Kokkos_ENABLE_HIP_MULTIPLE_KERNEL_INSTANTIATIONS ON CACHE BOOL "" FORCE)
set(BUILD_OMP ON CACHE BOOL "" FORCE)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -munsafe-fp-atomics" CACHE STRING "" FORCE)

# If KSPACE is also enabled, use HIPFFT for FFTs
set(FFT_KOKKOS "HIPFFT" CACHE STRING "" FORCE)

# hide deprecation warnings temporarily for stable release
#set(Kokkos_ENABLE_DEPRECATION_WARNINGS OFF CACHE BOOL "" FORCE)

# these flags are needed to build with Cray MPICH on OLCF Crusher
#-D CMAKE_CXX_FLAGS="-I/${MPICH_DIR}/include"
#-D MPI_CXX_LIBRARIES="-L${MPICH_DIR}/lib -lmpi -L${CRAY_MPICH_ROOTDIR}/gtl/lib -lmpi_gtl_hsa"