Checking whether the CUDA compiler is NVIDIA using "" did not match "nvcc: NVIDIA \(R\) Cuda compiler driver": Checking whether the CUDA compiler is Clang using "" did not match "(clang version)": Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed. Compiler: CMAKE_CUDA_COMPILER-NOTFOUND Build flags: Id flags: -v The output was: No such file or directory Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed. Compiler: CMAKE_CUDA_COMPILER-NOTFOUND Build flags: Id flags: -v The output was: No such file or directory