pecl_http:Apache无法加载http.so

我在Mac OS 10.8.3上使用MAMP 2.1.3。 我刚刚用Mac Ports + PECL安装了pecl_http扩展。 http.so存在并位于(在php.ini中正确设置):

/Applications/MAMP/bin/php/php5.4.10/lib/php/extensions/no-debug-non-zts-20100525/

当我启动Apache时,这里是Apache错误的日志:

[24-Apr-2013 20:15:38 Europe/Berlin] PHP Warning: PHP Startup: Unable to load dynamic library '/Applications/MAMP/bin/php/php5.4.10/lib/php/extensions/no-debug-non-zts-20100525/http.so' - dlopen(/Applications/MAMP/bin/php/php5.4.10/lib/php/extensions/no-debug-non-zts-20100525/http.so, 9): Symbol not found: _output_globals Referenced from: /Applications/MAMP/bin/php/php5.4.10/lib/php/extensions/no-debug-non-zts-20100525/http.so Expected in: flat namespace 

有任何想法吗 ?

谢谢 !