New in version 3.8.
This is a CMake Environment Variable. Its initial value is taken from the calling process environment.
Default compilation flags to be used when compiling
CUDA files. Will only be
used by CMake on the first configuration to determine
compilation flags, after which the value for
CUDAFLAGS is stored in the
CMAKE_CUDA_FLAGS. For any configuration
run (including the first), the environment variable will be ignored if
CMAKE_CUDA_FLAGS variable is defined.