function(course_apply_warnings target_name)
    if(MSVC)
        target_compile_options(${target_name} PRIVATE /W4 /permissive-)
        if(COURSE_WARNINGS_AS_ERRORS)
            target_compile_options(${target_name} PRIVATE /WX)
        endif()
    else()
        target_compile_options(
            ${target_name}
            PRIVATE
                -Wall
                -Wextra
                -Wpedantic
                -Wconversion
                -Wshadow
        )
        if(COURSE_WARNINGS_AS_ERRORS)
            target_compile_options(${target_name} PRIVATE -Werror)
        endif()
    endif()
endfunction()

function(course_set_cxx_standard target_name standard)
    target_compile_features(${target_name} PRIVATE cxx_std_${standard})
endfunction()

function(course_enable_contracts target_name)
    if(NOT COURSE_ENABLE_CONTRACTS)
        return()
    endif()

    if(NOT (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 16))
        return()
    endif()

    target_compile_options(
        ${target_name}
        PRIVATE
            -fcontracts
            -fcontract-evaluation-semantic=enforce
    )
    target_link_options(${target_name} PRIVATE -fcontracts)
    target_link_libraries(${target_name} PRIVATE course_contract_support)
endfunction()