if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
    if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 16)
        message(FATAL_ERROR "Clang 16+ required for building clio")
    endif()
    set(is_clang TRUE)
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
    if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15)
        message(FATAL_ERROR "AppleClang 15+ required for building clio")
    endif()
    set(is_appleclang TRUE)
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
    if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12)
        message(FATAL_ERROR "GCC 12+ required for building clio")
    endif()
    set(is_gcc TRUE)
else()
    message(
        FATAL_ERROR
        "Supported compilers: AppleClang 15+, Clang 16+, GCC 12+"
    )
endif()

if(san)
    string(TOLOWER ${san} san)
    set(SAN_FLAG "-fsanitize=${san}")
    set(SAN_LIB "")
    if(is_gcc)
        if(san STREQUAL "address")
            set(SAN_LIB "asan")
        elseif(san STREQUAL "thread")
            set(SAN_LIB "tsan")
        elseif(san STREQUAL "memory")
            set(SAN_LIB "msan")
        elseif(san STREQUAL "undefined")
            set(SAN_LIB "ubsan")
        endif()
    endif()
    set(_saved_CRL ${CMAKE_REQUIRED_LIBRARIES})
    set(CMAKE_REQUIRED_LIBRARIES "${SAN_FLAG};${SAN_LIB}")
    check_cxx_compiler_flag(${SAN_FLAG} COMPILER_SUPPORTS_SAN)
    set(CMAKE_REQUIRED_LIBRARIES ${_saved_CRL})
    if(NOT COMPILER_SUPPORTS_SAN)
        message(
            FATAL_ERROR
            "${san} sanitizer does not seem to be supported by your compiler"
        )
    endif()
endif()