/usr/share/camitk-3.3/cmake/macros/ is in libcamitk3-dev 3.3.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/camitk-3.3/cmake/macros/CamiTKAddSubDirectory.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKAddTest.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKApplication.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKCEPPackaging.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKExtension.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKExtensionProject.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKInitTest.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKLibrary.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKOpenSourcePackaging.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKSubProjectAdd.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKSubProjectInit.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKSubProjectValidate.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKTestCompareFile.cmake
/usr/share/camitk-3.3/cmake/macros/CamiTKTestPassFile.cmake
/usr/share/camitk-3.3/cmake/macros/ExportHeaders.cmake
/usr/share/camitk-3.3/cmake/macros/GatherHeadersAndSources.cmake
/usr/share/camitk-3.3/cmake/macros/GetDirectoryName.cmake
/usr/share/camitk-3.3/cmake/macros/GetSubdirectories.cmake
/usr/share/camitk-3.3/cmake/macros/GetSubdirectoryFiles.cmake
/usr/share/camitk-3.3/cmake/macros/ParseArguments.cmake