不支持__ builtin___snprintf_chk

错误信息

1
error: no member named '__builtin___snprintf_chk' in

问题介绍

Clang暂不支持检查built-in函数格式化输出,会报出warning,当开启-Werror选项时升级为error。

解决方案

添加编译选项-Wno-builtin-memcpy-chk-size规避该告警