message: osx: Fix cmake warning about policy CMP0068
  ``RPATH`` settings on macOS do not affect ``install_name``
  Set BUILD_WITH_INSTALL_NAME_DIR to 1 to obtain old behaviour for before cmake 3.9
diff: @@ -471,6 +471,7 @@ if(APPLE)
  set_target_properties(renderdoc PROPERTIES INSTALL_RPATH "@executable_path/../lib")
  set_target_properties(renderdoc PROPERTIES INSTALL_NAME_DIR "@executable_path/../lib")
  set_target_properties(renderdoc PROPERTIES BUILD_WITH_INSTALL_RPATH 1)
  + set_target_properties(renderdoc PROPERTIES BUILD_WITH_INSTALL_NAME_DIR 1)
  endif()
  if(ANDROID)
  