message: cmake: Fix sst object lib dependency propagation with CMake < 3.14
  CMake < 3.14 forget to propagate private dependencies of object
  libraries.  Propagate them the same way CMake >= 3.14 do.
diff: @@ -81,4 +81,14 @@ if(NOT BUILD_SHARED_LIBS)
  install(TARGETS sst EXPORT adios2Exports)
  endif()
  +if(CMAKE_VERSION VERSION_LESS 3.14)
  + # CMake < 3.14 forgets to propagate private dependencies of object libraries.
  + # Propagate them the same way CMake >= 3.14 do.
  + # FIXME: Drop this workaround when we require CMake 3.14.
  + get_property(sst_deps TARGET sst PROPERTY LINK_LIBRARIES)
  + foreach(dep ${sst_deps})
  + target_link_libraries(sst INTERFACE "$<LINK_ONLY:${dep}>")
  + endforeach()
  +endif()
  +
  add_subdirectory(util)
  