This is a CMake Environment Variable. Its initial value is taken from the calling process environment.
Preferred executable for compiling
CUDA language files. Will only be used by CMake on the first configuration to determine
CUDA compiler, after which the value for
CUDA is stored in the cache as
CMAKE_CUDA_COMPILER. For any configuration run (including the first), the environment variable will be ignored if the
CMAKE_CUDA_COMPILER variable is defined.
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