CMAKE_<LANG>_HOST_COMPILER_ID

在 3.31 版被加入.

This variable is available when <LANG> is CUDA or HIP and CMAKE_<LANG>_COMPILER_ID is NVIDIA. It contains the identity of the host compiler invoked by nvcc, either by default or as specified by CMAKE_<LANG>_HOST_COMPILER, among possibilities documented by CMAKE_<LANG>_COMPILER_ID.