CUDAHOSTCXX

.. versionadded:: 3.8

.. include:: include/ENV_VAR.rst

Preferred executable for compiling host code when compiling CUDA language files. Will only be used by CMake on the first configuration to determine CUDA host compiler, after which the value for CUDAHOSTCXX is stored in the cache as :variable:CMAKE_CUDA_HOST_COMPILER <CMAKE_<LANG>_HOST_COMPILER>. This environment variable is preferred over :variable:CMAKE_CUDA_HOST_COMPILER <CMAKE_<LANG>_HOST_COMPILER>.

This environment variable is primarily meant for use with projects that enable CUDA as a first-class language.

.. note::

Ignored when using :ref:Visual Studio Generators.

.. versionadded:: 3.13 The :module:FindCUDA module will use this variable to initialize its CUDA_HOST_COMPILER setting.