message: Removed -Wc++98-compat-extra-semi for compatibility with older clang.
diff: @@ -193,7 +193,7 @@ elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
  "${CMAKE_CXX_FLAGS} -std=c++0x -Wall -pedantic -Werror -Wextra -Wno-unused-parameter")
  set(FLATBUFFERS_PRIVATE_CXX_FLAGS "-Wold-style-cast")
  if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.8)
  - list(APPEND FLATBUFFERS_PRIVATE_CXX_FLAGS "-Wimplicit-fallthrough" "-Wextra-semi" "-Wc++98-compat-extra-semi" "-Werror=unused-private-field") # enable warning
  + list(APPEND FLATBUFFERS_PRIVATE_CXX_FLAGS "-Wimplicit-fallthrough" "-Wextra-semi" "-Werror=unused-private-field") # enable warning
  endif()
  if(FLATBUFFERS_LIBCXX_WITH_CLANG)
  if(NOT "${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
  