[Build] CUDA UBUNTU 16

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Description

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Hi. I cloned the repo again. But now I get the following. ~Related to https://github.com/arrayfire/arrayfire/issues/2951~

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Error Log

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```

[  8%] Building NVCC (Device) object src/backend/cuda/CMakeFiles/af_cuda_static_cuda_library.dir/af_cuda_static_cuda_library_generated_solve.cu.o

[  8%] Building NVCC (Device) object src/backend/cuda/CMakeFiles/af_cuda_static_cuda_library.dir/af_cuda_static_cuda_library_generated_blas.cu.o

[  8%] Building NVCC (Device) object src/backend/cuda/CMakeFiles/af_cuda_static_cuda_library.dir/af_cuda_static_cuda_library_generated_cufft.cu.o

[  8%] Building NVCC (Device) object src/backend/cuda/CMakeFiles/af_cuda_static_cuda_library.dir/af_cuda_static_cuda_library_generated_fft.cu.o

[  8%] Building NVCC (Device) object src/backend/cuda/CMakeFiles/af_cuda_static_cuda_library.dir/af_cuda_static_cuda_library_generated_sparse.cu.o

/home/turgut/Documents/arrayfire/src/backend/cuda/cusparse.hpp(22): error: identifier "cusparseDnVecDescr_t" is undefined



/home/turgut/Documents/arrayfire/src/backend/cuda/cusparse.hpp(22): error: identifier "cusparseDnVecDescr_t" is undefined



/home/turgut/Documents/arrayfire/src/backend/cuda/cusparse.hpp(22): error: identifier "cusparseDnVecDescr_t" is undefined



/home/turgut/Documents/arrayfire/src/backend/cuda/cusparse.hpp(22): error: identifier "cusparseDestroyDnVec" is undefined



4 errors detected in the compilation of "/tmp/tmpxft_000011f1_00000000-6_sparse.cpp1.ii".

CMake Error at af_cuda_static_cuda_library_generated_sparse.cu.o.cmake:266 (message):

  Error generating file

  /home/turgut/Documents/arrayfire/build/src/backend/cuda/CMakeFiles/af_cuda_static_cuda_library.dir//./af_cuda_static_cuda_library_generated_sparse.cu.o





src/backend/cuda/CMakeFiles/af_cuda_static_cuda_library.dir/build.make:84: recipe for target 'src/backend/cuda/CMakeFiles/af_cuda_static_cuda_library.dir/af_cuda_static_cuda_library_generated_sparse.cu.o' failed

make[2]: *** [src/backend/cuda/CMakeFiles/af_cuda_static_cuda_library.dir/af_cuda_static_cuda_library_generated_sparse.cu.o] Error 1

CMakeFiles/Makefile2:1204: recipe for target 'src/backend/cuda/CMakeFiles/af_cuda_static_cuda_library.dir/all' failed

make[1]: *** [src/backend/cuda/CMakeFiles/af_cuda_static_cuda_library.dir/all] Error 2

Makefile:160: recipe for target 'all' failed

make: *** [all] Error 2

turgut@turgut:~/Documents/arrayfire/build$ 



```



Build Environment

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Compiler version: <!-- MSVC v140 or gcc 9.3.2 -->

Operating system: <!-- Windows 10; Ubuntu 18.04 -->

Build environment: <!-- Environment variables; Installed software -->

CMake variables: <!-- Output of  `cmake -L` -->

[]