Вызов неопределенной функции pcntl_fork () ubuntu server apache

У меня проблема с pcnt_fork

Я выполнил этот урок для установки

instalation of pcntl $ mkdir /tmp/phpsource $ cd /tmp/phpsource $ apt-get source php5 $ cd /tmp/phpsource/php5-*/ext/pcntl $ phpize $ ./configure $ make # then copy your module to php5 module-lib path (in my case:) # and create an .ini-file to enable the module for sapi after graceful restart. $ cp /tmp/phpsource/php5-*/modules/pcntl.so /usr/lib/php5/20090626/ $ echo "extension=pcntl.so" > /etc/php5/conf.d/pcntl.ini on php.ini you need to ; This directive allows you to disable certain functions for security reasons. ; It receives a comma-delimited list of function names. This directive is ; *NOT* affected by whether Safe Mode is turned On or Off. ; http://php.net/disable-functions ;disable_functions pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, 

но если я заглядываю в журнал ошибок apache, у меня есть Fatal Fatal error: вызывать неопределенную функцию pcntl_fork () еще. !!