Require at least CMake 3.16 and clang-10
The CMake change is now explicit. It was implicitly required by later versions of Kokkos.
clang-9 was failing to build the code for quite a while since it did not compile some proper C++17 code.
The CMake change is now explicit. It was implicitly required by later versions of Kokkos.
clang-9 was failing to build the code for quite a while since it did not compile some proper C++17 code.