cpp/openttd-patchpack/source Files · cmake/LinkPackage.cmake

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Location: cpp/openttd-patchpack/source/cmake/LinkPackage.cmake

r28520:f9aebe299cae 1.4 KiB text/x-cmake Show Annotation Show as Raw Download as Raw

Patric Stout

Codechange: MacOS already has MIN/MAX macros defined

This is caused because we use PreCompile Headers, and one of them
includes a system headers which defines MIN/MAX.

function(link_package NAME)
    cmake_parse_arguments(LP "ENCOURAGED" "TARGET" "" ${ARGN})

    if(${NAME}_FOUND)
        string(TOUPPER "${NAME}" UCNAME)
        # Some libraries have a dash, which is not allowed in a preprocessor macro.
        string(REPLACE "-" "_" UCNAME "${UCNAME}")

        add_definitions(-DWITH_${UCNAME})
        # Some libraries' cmake packages (looking at you, SDL2) leave trailing whitespace in the link commands,
        # which (later) cmake considers to be an error. Work around this with by stripping the incoming string.
        if(LP_TARGET AND TARGET ${LP_TARGET})
            string(STRIP "${LP_TARGET}" LP_TARGET)
            target_link_libraries(openttd_lib ${LP_TARGET})
            message(STATUS "${NAME} found -- -DWITH_${UCNAME} -- ${LP_TARGET}")
        else()
            string(STRIP "${${NAME}_LIBRARY}" ${NAME}_LIBRARY)
            string(STRIP "${${NAME}_LIBRARIES}" ${NAME}_LIBRARIES)
            include_directories(${${NAME}_INCLUDE_DIRS} ${${NAME}_INCLUDE_DIR})
            target_link_libraries(openttd_lib ${${NAME}_LIBRARIES} ${${NAME}_LIBRARY})
            message(STATUS "${NAME} found -- -DWITH_${UCNAME} -- ${${NAME}_INCLUDE_DIRS} ${${NAME}_INCLUDE_DIR} -- ${${NAME}_LIBRARIES} ${${NAME}_LIBRARY}")
        endif()
    elseif(LP_ENCOURAGED)
        message(WARNING "${NAME} not found; compiling OpenTTD without ${NAME} is strongly discouraged")
    endif()
endfunction()