undefined reference to `__errno‘ 解决办法

HarderHeng Lv5

问题描述

编译stm32项目时,因为引入了math库,导致报错 undefined reference to `__errno‘

报错原因

多个库文件的链接顺序问题。这里没有手动指定链接的顺序,所以会报错

问题解决

链接时加上指令 -specs=rdimon.specs and -specs=nosys.specs

  • Title: undefined reference to `__errno‘ 解决办法
  • Author: HarderHeng
  • Created at : 2025-03-06 15:14:29
  • Updated at : 2025-03-06 15:18:44
  • Link: https://harderheng.life/2025/03/06/undefined-reference-to-errno‘-解决办法/
  • License: This work is licensed under CC BY-NC-SA 4.0.
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undefined reference to `__errno‘ 解决办法