安装swoole时遇到的 Warning: PHP Startup: Unable to load dynamic library /opt/lampp/lib/php/extensions/no-debug-non-zts-20160303/swoole.so – /opt/lampp/lib/libstdc++.so.6: version `GLIBCXX_3.4.20 not found

安装swoole时遇到的 Warning: PHP Startup: Unable to load dynamic library ‘/opt/lampp/lib/php/extensions/no-debug-non-zts-20160303/swoole.so’ – /opt/lampp/lib/libstdc++.so.6: version `GLIBCXX_3.4.20′ not found (required by /opt/lampp/lib/php/extensions/no-debug-non-zts-20160303/swoole.so) in Unknown on line 0 问题

使用的时linux的xampp集成环境，集成环境默认安装在/opt/lampp下

/opt/lampp/bin/pecl install swoole

安装成功

vim /opt/lampp/etc/php.ini

增加extension=swoole.so后

/opt/lampp/bin/php -m

报错：Warning: PHP Startup: Unable to load dynamic library ‘/opt/lampp/lib/php/extensions/no-debug-non-zts-20160303/swoole.so’ – /opt/lampp/lib/libstdc++.so.6: version `GLIBCXX_3.4.20′ not found (required by /opt/lampp/lib/php/extensions/no-debug-non-zts-20160303/swoole.so) in Unknown on line 0

libstdc++.so.6的版本过低

sudo find / -name libstdc++.so.6*

查找一下发现，只是xampp集成环境的libstdc++.so.6的版本过低

strings /usr/lib/x86_64-linux-gnu/libstdc++.so.6 |grep GLIBCXX

strings /opt/lampp/lib/libstdc++.so.6 | grep GLIBCXX

cp -r /usr/lib/x86_64-linux-gnu/libstdc++.so.6 /opt/lampp/lib/libstdc++.so.6

直接拷贝新的版本

问题解决