| CMAKE_ISPC_HEADER_SUFFIX | |
| ------------------------ | |
| .. versionadded:: 3.19.2 | |
| Output suffix to be used for ISPC generated headers. | |
| This variable is used to initialize the :prop_tgt:`ISPC_HEADER_SUFFIX` | |
| property on all the targets. See the target property for additional | |
| information. |