CMAKE_CURRENT_FUNCTION_LIST_FILE
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Cmake/docs/3.21/variable/cmake current function list file
CMAKE_CURRENT_FUNCTION_LIST_FILE
New in version 3.17.
When executing code inside a function(), this variable contains the full path to the listfile that defined the current function.
See also CMAKE_CURRENT_FUNCTION, CMAKE_CURRENT_FUNCTION_LIST_DIR and CMAKE_CURRENT_FUNCTION_LIST_LINE.
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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.21/variable/CMAKE_CURRENT_FUNCTION_LIST_FILE.html