如果您正在构建64位版本，Opera可能不支持64位插件(但firefox和Safari都支持)，这不会令我感到惊讶.

It wouldn't surprise me if you are building it 64 bit and Opera may not support 64 bit plugins (but both firefox and Safari do).

确保您正在构建32位并查看其是否有效.

Make sure you're building it 32 bit and see if it works.