function(setup_external_libs ARCH)
    set(REQUEST_FILE "${PROJECT_SOURCE_DIR}/request.txt")

    if(NOT EXISTS "${REQUEST_FILE}")
        message(WARNING "request.txt not found at: ${REQUEST_FILE}")
        return()
    endif()

    #message(STATUS "Setting up external libraries for architecture: ${ARCH}")

    # 读取request.txt
    file(STRINGS ${REQUEST_FILE} LINES)
    set(LIB_COUNT 0)
    set(INCLUDE_DIRS)
    set(LIBRARY_DIRS)
    set(PREFIX_PATHS)

    foreach(REL_PATH ${LINES})
        # 跳过注释和空行
        if(REL_PATH MATCHES "^[ \t]*#.*$" OR REL_PATH STREQUAL "")
            continue()
        endif()

        # 去除首尾空格
        string(STRIP "${REL_PATH}" REL_PATH)

        # 构建完整路径
        set(FULL_PATH "${PROJECT_SOURCE_DIR}/dependency/${ARCH}/${REL_PATH}")

        # 检查路径是否存在
        if(NOT EXISTS "${FULL_PATH}")
            message(WARNING "Library path does not exist: ${FULL_PATH}")
            continue()
        endif()

        # 添加到 CMAKE_PREFIX_PATH (保留原功能)
        list(APPEND PREFIX_PATHS "${FULL_PATH}")

        # 从路径中提取库名（最后一个目录名）
        string(REGEX REPLACE ".*/([^/]+)/?$" "\\1" LIB_NAME "${REL_PATH}")

        # 检查和处理头文件目录
        set(HAS_INCLUDE FALSE)
        set(HAS_LIB FALSE)

        # 查找 include 目录
        if(EXISTS "${FULL_PATH}/include")
            # 有专门的 include 目录
            list(APPEND INCLUDE_DIRS "${FULL_PATH}/include")
            set(HAS_INCLUDE TRUE)
            #message(STATUS "  ${LIB_NAME}: Adding include directory: ${FULL_PATH}/include")
        else()
            # 没有专门的 include 目录，使用路径本身
            list(APPEND INCLUDE_DIRS "${FULL_PATH}")
            #message(STATUS "  ${LIB_NAME}: Using base directory for includes: ${FULL_PATH}")
        endif()

        # 查找 lib 目录
        if(EXISTS "${FULL_PATH}/lib")
            # 有专门的 lib 目录
            list(APPEND LIBRARY_DIRS "${FULL_PATH}/lib")
            set(HAS_LIB TRUE)
            #message(STATUS "  ${LIB_NAME}: Adding library directory: ${FULL_PATH}/lib")
        else()
            # 没有专门的 lib 目录，检查是否有库文件在当前目录
            file(GLOB LIB_FILES "${FULL_PATH}/*.so" "${FULL_PATH}/*.a" "${FULL_PATH}/*.dylib" "${FULL_PATH}/*.dll" "${FULL_PATH}/*.lib")
            if(LIB_FILES)
                # 当前目录中有库文件
                list(APPEND LIBRARY_DIRS "${FULL_PATH}")
                set(HAS_LIB TRUE)
                #message(STATUS "  ${LIB_NAME}: Using base directory for libraries: ${FULL_PATH}")
            else()
                message(WARNING "  ${LIB_NAME}: No library files found in: ${FULL_PATH}")
            endif()
        endif()

        if(HAS_INCLUDE OR HAS_LIB)
            math(EXPR LIB_COUNT "${LIB_COUNT} + 1")
        endif()
    endforeach()

    # 设置 CMAKE_PREFIX_PATH (原功能)
    if(PREFIX_PATHS)
        # 将路径添加到 CMAKE_PREFIX_PATH
        list(APPEND CMAKE_PREFIX_PATH ${PREFIX_PATHS})
        # 设置为全局变量，使其在 find_package 中可用
        set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} PARENT_SCOPE)
        #message(STATUS "Added to CMAKE_PREFIX_PATH:")
        #foreach(PATH ${PREFIX_PATHS})
        #    message(STATUS "  ${PATH}")
        #endforeach()
    endif()

    # 设置头文件目录
    if(INCLUDE_DIRS)
        # 去重
        list(REMOVE_DUPLICATES INCLUDE_DIRS)

        # 添加到包含目录
        include_directories(${INCLUDE_DIRS})
    endif()

    # 设置库文件目录
    if(LIBRARY_DIRS)
        # 去重
        list(REMOVE_DUPLICATES LIBRARY_DIRS)
        # 添加到链接目录
        link_directories(${LIBRARY_DIRS})
    endif()

    if(LIB_COUNT GREATER 0)
        message(STATUS "Successfully setup ${LIB_COUNT} external libraries for ${ARCH}")
    else()
        message(WARNING "No external libraries were successfully setup")
    endif()
endfunction()