build(cmake): fix for boost 1.89

        target_include_directories(simple-web-server SYSTEM INTERFACE ${ASIO_PATH})

    endif()

else()

    find_package(Boost 1.53.0 COMPONENTS system REQUIRED)

    target_link_libraries(simple-web-server INTERFACE Boost::boost Boost::system)

    # In Boost 1.89.0+, system is header-only, so we try to find it but make it optional

    find_package(Boost 1.53.0 COMPONENTS system)

    if(NOT Boost_FOUND)

        # Fallback: try without system component for newer Boost versions where it's header-only

        find_package(Boost 1.53.0 REQUIRED)

    endif()

    target_link_libraries(simple-web-server INTERFACE Boost::boost)

    # Only link Boost::system if the target exists (for older Boost < 1.89)

    if(TARGET Boost::system)

        target_link_libraries(simple-web-server INTERFACE Boost::system)

    endif()

    if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)

        target_compile_definitions(simple-web-server INTERFACE USE_BOOST_REGEX)

        find_package(Boost 1.53.0 COMPONENTS regex REQUIRED)