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mbstring ��һ��Ĭ��չ��ζ��Ĭ��û�б�� �� configure ѡ��ʽ��ģ�顣 ��μ��װ��һ�ڡ�

��漰�� mbstring ��ѡ�

--enable-mbstring �� mbstring �� Ҫʹ�� mbstring ��ѡ�

libmbfl �� mbstring �Ǳ�Ҫ�ġ� libmbfl �� mbstring�� ϵͳ�Ѱ�װ libmbfl��--with-libmbfl[=DIR] ��ָ��ʹ��Ѱ�װ�Ŀ⡣
--disable-mbregex ��ʽ��ж��ֽ��ַ��֧�֡�