message: minor: windows cmake uses different variables to configure deprecations
diff: @@ -48,7 +48,11 @@ endif()
  # that we end up not being able to turn deprecation warnings into
  # errors. Instead, since we know all our platforms offer the feature,
  # just hard enable it here.
  +if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
  + set(COMPILER_HAS_DEPRECATED true)
  +else()
  set(COMPILER_HAS_DEPRECATED_ATTR true)
  +endif()
  set (CMAKE_SKIP_BUILD_RPATH false)
  set (CMAKE_BUILD_WITH_INSTALL_RPATH false)
  