endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") # don't care about class that become struct
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-mismatched-tags")
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") # don't care about class that become struct
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-mismatched-tags")