Unused CMake variables #2337
Description
Building anything with CMake shows the following warning:
CMake Warning:
Manually-specified variables were not used by the project:
CMAKE_EXPORT_NO_PACKAGE_REGISTRY
CMAKE_FIND_USE_PACKAGE_REGISTRY
CMAKE_FIND_USE_SYSTEM_PACKAGE_REGISTRY
CMAKE_INSTALL_BINDIR
CMAKE_INSTALL_DOCDIR
CMAKE_INSTALL_INCLUDEDIR
CMAKE_INSTALL_INFODIR
CMAKE_INSTALL_LIBDIR
CMAKE_INSTALL_LIBEXECDIR
CMAKE_INSTALL_LOCALEDIR
CMAKE_INSTALL_MANDIR
CMAKE_INSTALL_SBINDIR
CMAKE_POLICY_DEFAULT_CMP0025
Where are these variables coming from? Grepping our directories or the cmake build directory shows no sign of them.