学习目标掌握条件编译:if/else学会安装指令:install处理跨平台差异(Linux/Windows)核心知识点条件编译:if(CMAKE_BUILD_TYPE STREQUAL "Debug")(判断构建类型)安装指令:install(TARGETS main DESTINATION bin):安装可执行文件到/usr/local/bininstall(TARGETS calc DESTINATION lib):安装库到/usr/local/libinstall(FILES calc.h DESTINATION include):安装头文件到/usr/local/i...