set(CMAKE_C_COMPILER clang-11)
set(CMAKE_CXX_COMPILER clang++-11)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_FLAGS_INIT "-stdlib=libc++ -fcoroutines-ts")
set(CMAKE_EXE_LINKER_FLAGS_INIT "-stdlib=libc++")
set(CMAKE_MODULE_LINKER_FLAGS_INIT "-stdlib=libc++")
set(CMAKE_SHARED_LINKER_FLAGS_INIT "-stdlib=libc++")