Attempted to build ROOT 10.06.06 with CMake 3.9.3 and was greeted with this message:
CMake Warning (dev): Policy CMP0068 is not set: RPATH settings on macOS do not affect install_name. Run "cmake --help-policy CMP0068" for policy details. Use the cmake_policy command to set the policy and suppress this warning. For compatibility with older versions of CMake, the install_name fields for the following targets are still affected by RPATH settings: LTO libclang This warning is for project developers. Use -Wno-dev to suppress it.