按照swoole官网的wiki，下载源码cdswoolephpize这一步在FreeBSD上会报错，FreeBSD是通过PKG安装PHP的Configuringfor:PHPApiVersion:20160303ZendModuleApiNo:20160303Zend扩展API号：320160303找不到autoconf。请检查您的autoconf安装和$PHP_AUTOCONF环境变量。然后，重新运行此脚本。解决办法：pkginstallautoconf./configuremake如果在FreeBSD上执行这一步，会报如下错误：Infileincludedfrom/root/swoole/swoole.c:25:Infileincludedfrom/usr/local/include/php/ext/spl/spl_iterators.h:27:/usr/local/include/php/ext/pcre/php_pcre.h:29:10:fatalerror:'pcre.h'filenotfound原因：“pcre.h”FreeBSD安装的pcre不在swoole搜索到的文件路径中.ini文件
