GCC的学习（六）attribute控制动态库可见性

我什么都布吉岛发布时间：2021-03-23 10:46:23 ，浏览量：3

《GCC的学习（五）动态库接口可见性》一文我翻译了一篇gcc官方文档，那么在实际中，这个可见性是如何体现的呢？

设置__attribute__的优点

减少了动态库装载时间
方便编译器优化代码
更加轻便的动态库

导出所有符号的方法

默认情况下，所有头文件的符号都将会导出。

//fun.cpp
#include 
#include "fun.h"
void printOne()
{
    std::cout


    
        
        
        
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GCC的学习（六）__attribute__控制动态库可见性

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GCC的学习（六）attribute控制动态库可见性