wwbmmm commented on issue #1693:
URL: 
https://github.com/apache/incubator-brpc/issues/1693#issuecomment-1150703799

   > 
   > 不是很理解仅仅删除这个编译优化提示`__attribute__ ((const))`为什么要改其它基础库?
   
   用到__atrribute((const))的地方很多,不只是glibc,其它库也可能会用到,哪些该删哪些不该删,需要一个一个排查。
   
   > 
   > ARM Compiler 的文档说得更清楚,只有函数的返回值只依赖其输入参数时才可以使用`__attribute__ ((const))`: 
https://developer.arm.com/documentation/100067/0612/Compiler-specific-Function--Variable--and-Type-Attributes/--attribute----const---function-attribute
   
   这个描述确实比gcc的文档清楚些,但估计看这个文档的人不多。。


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