$ ls -l /usr/lib/php5/20121212
итого 680
-rw-r--r-- 1 root root 109968 апр.   4 05:23 gd.so
-rw-r--r-- 1 root root  39736 авг.   8  2013 json.so
-rw-r--r-- 1 root root  47872 окт.  16  2013 mcrypt.so
-rw-r--r-- 1 root root 151168 апр.   4 05:23 mysqli.so
-rw-r--r-- 1 root root  56304 апр.   4 05:23 mysql.so
-rw-r--r-- 1 root root 135056 апр.   4 05:23 opcache.so
-rw-r--r-- 1 root root  36008 апр.   4 05:23 pdo_mysql.so
-rw-r--r-- 1 root root 113984 апр.   4 05:23 pdo.so

~/php/ext/pcntl $ sudo make test && make install
/bin/bash /home/drugpunker/php/ext/pcntl/libtool --mode=install cp ./pcntl.la /home/drugpunker/php/ext/pcntl/modules
libtool: install: cp ./.libs/pcntl.so /home/drugpunker/php/ext/pcntl/modules/pcntl.so
libtool: install: cp ./.libs/pcntl.lai /home/drugpunker/php/ext/pcntl/modules/pcntl.la
libtool: finish: PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/sbin" ldconfig -n /home/drugpunker/php/ext/pcntl/modules
----------------------------------------------------------------------
Libraries have been installed in:
   /home/drugpunker/php/ext/pcntl/modules

If you ever happen to want to link against installed libraries
in a given directory, LIBDIR, you must either use libtool, and
specify the full pathname of the library, or use the `-LLIBDIR'
flag during linking and do at least one of the following:
   - add LIBDIR to the `LD_LIBRARY_PATH' environment variable
     during execution
   - add LIBDIR to the `LD_RUN_PATH' environment variable
     during linking
   - use the `-Wl,-rpath -Wl,LIBDIR' linker flag
   - have your system administrator add LIBDIR to `/etc/ld.so.conf'

See any operating system documentation about shared libraries for
more information, such as the ld(1) and ld.so(8) manual pages.
----------------------------------------------------------------------

Build complete.
Don't forget to run 'make test'.

PHP Warning:  Module 'pcntl' already loaded in Unknown on line 0
PHP Warning:  Module 'pcntl' already loaded in Unknown on line 0

=====================================================================
PHP         : /usr/bin/php
Warning: Module 'pcntl' already loaded in Unknown on line 0

PHP_SAPI    : cli
PHP_VERSION : 5.5.3-1ubuntu2.3
ZEND_VERSION: 2.5.0
PHP_OS      : Linux - Linux Drugpunker-PC 3.11.0-12-generic #19-Ubuntu SMP Wed Oct 9 16:20:46 UTC 2013 x86_64
INI actual  : /home/drugpunker/php/ext/pcntl/tmp-php.ini
More .INIs  : 
CWD         : /home/drugpunker/php/ext/pcntl
Extra dirs  :
VALGRIND    : Not used
=====================================================================
TIME START 2014-05-07 11:41:09
=====================================================================
FAIL Test pcntl wait functionality [tests/001.phpt]
FAIL pcntl: pcntl_sigprocmask(), pcntl_sigwaitinfo(), pcntl_sigtimedwait() [tests/002.phpt]
FAIL pcntl: SIG_BLOCK, SIG_UNBLOCK, SIG_SETMASK [tests/003.phpt]
FAIL Bug #47566 (return value of pcntl_wexitstatus()) [tests/bug47566.phpt]
FAIL pcntl_alarm() [tests/pcntl_alarm.phpt]
FAIL pcntl_exec() [tests/pcntl_exec.phpt]
FAIL pcntl_exec() 2 [tests/pcntl_exec_2.phpt]
FAIL pcntl_exec() 3 [tests/pcntl_exec_3.phpt]
FAIL Test function pcntl_fork() by calling it with its expected arguments [tests/pcntl_fork_basic.phpt]
FAIL Test function pcntl_fork() by testing the process isolation in the forking hierarchy father -> son -> grandson where father can not knows his grandson [tests/pcntl_fork_variation.phpt]
FAIL Test pcntl_get_last_error() [tests/pcntl_get_last_error.phpt]
FAIL pcntl_signal() [tests/pcntl_signal.phpt]
FAIL pcnt_signal_dispatch() [tests/pcntl_signal_dispatch.phpt]
FAIL pcntl_wait() [tests/pcntl_wait.phpt]
FAIL Closures as a signal handler [tests/signal_closure_handler.phpt]
=====================================================================
TIME END 2014-05-07 11:41:13

=====================================================================
TEST RESULT SUMMARY
---------------------------------------------------------------------
Exts skipped    :    0
Exts tested     :   42
---------------------------------------------------------------------

Number of tests :   15                15
Tests skipped   :    0 (  0.0%) --------
Tests warned    :    0 (  0.0%) (  0.0%)
Tests failed    :   15 (100.0%) (100.0%)
Expected fail   :    0 (  0.0%) (  0.0%)
Tests passed    :    0 (  0.0%) (  0.0%)
---------------------------------------------------------------------
Time taken      :    4 seconds
=====================================================================

=====================================================================
FAILED TEST SUMMARY
---------------------------------------------------------------------
Test pcntl wait functionality [tests/001.phpt]
pcntl: pcntl_sigprocmask(), pcntl_sigwaitinfo(), pcntl_sigtimedwait() [tests/002.phpt]
pcntl: SIG_BLOCK, SIG_UNBLOCK, SIG_SETMASK [tests/003.phpt]
Bug #47566 (return value of pcntl_wexitstatus()) [tests/bug47566.phpt]
pcntl_alarm() [tests/pcntl_alarm.phpt]
pcntl_exec() [tests/pcntl_exec.phpt]
pcntl_exec() 2 [tests/pcntl_exec_2.phpt]
pcntl_exec() 3 [tests/pcntl_exec_3.phpt]
Test function pcntl_fork() by calling it with its expected arguments [tests/pcntl_fork_basic.phpt]
Test function pcntl_fork() by testing the process isolation in the forking hierarchy father -> son -> grandson where father can not knows his grandson [tests/pcntl_fork_variation.phpt]
Test pcntl_get_last_error() [tests/pcntl_get_last_error.phpt]
pcntl_signal() [tests/pcntl_signal.phpt]
pcnt_signal_dispatch() [tests/pcntl_signal_dispatch.phpt]
pcntl_wait() [tests/pcntl_wait.phpt]
Closures as a signal handler [tests/signal_closure_handler.phpt]
=====================================================================

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Thank you for helping to make PHP better.
Installing shared extensions:     /usr/lib/php5/20121212/
cp: cannot create regular file '/usr/lib/php5/20121212/#INST@12755#': Permission denied
make: *** [install-modules] Ошибка 1