如何在FreeBSD系统上成功安装swoole扩展？

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freebsd下swoole的安装方法

1.按照swoole官网的wiki，下载源码

2.cd swoole

3.phpize

这一步的执行在通过PKG安装PHP的FreeBSD上面会报错

Configuring for: PHP Api Version: 20160303 Zend Module Api No: 20160303 Zend Extension Api No: 320160303 Cannot find autoconf. Please check your autoconf installation and the $PHP_AUTOCONF environment variable. Then, rerun this script.

解决方案 : pkg install autoconf

4../configure

5.make

在FreeBSD上执行这一步操作会有如下报错

In file included from /root/swoole/swoole.c:25: In file included from /usr/local/include/php/ext/spl/spl_iterators.h:27: /usr/local/include/php/ext/pcre/php_pcre.h:29:10: fatal error: 'pcre.h' file not found

问题产生原因： FreeBSD安装的pcre的"pcre.h"不在swoole搜索的文件路径

解决方案： ln -s /usr/local/include/pcre.h /usr/include/pcre.h

6.`make install

7.在php.ini文件中添加extension=swoole.so