ERROR in Building ROOT source file on ubuntu19 via cmake

ROOT
1

Hello, I try to use cmake GUI to build ROOT.I am running my system on virtual box and it doesn’t support CUDA.How can i solve this problem and compile ROOT on my Virtual Machine?

CUDA_TOOLKIT_ROOT_DIR not found or specified
Could NOT find CUDA (missing: CUDA_TOOLKIT_ROOT_DIR CUDA_NVCC_EXECUTABLE CUDA_INCLUDE_DIRS CUDA_CUDART_LIBRARY) (Required is at least version “7.5”)
The CUDA compiler identification is unknown
CMake Error at cmake/modules/SearchInstalledSoftware.cmake:1335 (enable_language):
No CMAKE_CUDA_COMPILER could be found.

Tell CMake where to find the compiler by setting either the environment
variable “CUDACXX” or the CMake cache entry CMAKE_CUDA_COMPILER to the full
path to the compiler, or to the compiler name if it is in the PATH.
Call Stack (most recent call first):
CMakeLists.txt:159 (include)

ROOT Version: No
_Platform:UBUNTU 19 on virtualbox
_Compiler:gcc 8 g++8

2

i succesfully generate Makefile turn off tmva -gpu

3

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