ERR: Install for CXXCMakeSystemConfig.cmake and CCMakeSystemConfig.cmake need .in extension.

Templates/CMakeLists.txt

@@ -1,4 +1,4 @@
 # just install the modules
-INSTALL_FILES(/share/CMake/Templates "" CXXCMakeSystemConfig.cmake.in CCMakeSystemConfig.cmake.in)
+INSTALL_FILES(/share/CMake/Templates ".in" CXXCMakeSystemConfig.cmake.in CCMakeSystemConfig.cmake.in)
 INSTALL_PROGRAMS(/share/CMake/Templates cconfigure cxxconfigure install-sh)