给PHP安装扩展的方式有好多

一、重新编译

进入PHP源码目录./configure --prefix=/usr/local/php ...[其他编译参数]

二、通过phpize添加扩展

进入PHP源代码扩展应用目录ext，例如：

/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/

在pcntl目录下执行phpize命令然后在configure，运行结果如下：

[root@qzltxx pcntl]# phpize

Configuring for:

PHP Api Version: 20090626

Zend Module Api No: 20090626

Zend Extension Api No: 220090626

[root@qzltxx pcntl]# ./configure --with-php-config=/usr/local/php/bin/php-config

checking for grep that handles long lines and -e... /bin/grep

checking for egrep... /bin/grep -E

checking for a sed that does not truncate output... /bin/sed

checking for cc... cc

checking for C compiler default output file name... a.out

checking whether the C compiler works... yes

checking whether we are cross compiling... no

checking for suffix of executables...

checking for suffix of object files... o

checking whether we are using the GNU C compiler... yes

checking whether cc accepts -g... yes

checking for cc option to accept ISO C89... none needed

checking how to run the C preprocessor... cc -E

checking for icc... no

checking for suncc... no

checking whether cc understands -c and -o together... yes

checking for system library directory... lib

checking if compiler supports -R... no

checking if compiler supports -Wl,-rpath,... yes

checking build system type... x86_64-unknown-linux-gnu

checking host system type... x86_64-unknown-linux-gnu

checking target system type... x86_64-unknown-linux-gnu

checking for PHP prefix... /usr/local/php

checking for PHP includes... -I/usr/local/php/include/php -I/usr/local/php/include/php/main -I/usr/local/php/include/php/TSRM -I/usr/local/php/include/php/Zend -I/usr/local/php/include/php/ext -I/usr/local/php/include/php/ext/date/lib

checking for PHP extension directory... /usr/local/php/lib/php/extensions/no-debug-zts-20090626

checking for PHP installed headers prefix... /usr/local/php/include/php

checking if debug is enabled... no

checking if zts is enabled... no

checking for re2c... no

configure: WARNING: You will need re2c 0.13.4 or later if you want to regenerate PHP parsers.

checking for gawk... gawk

checking whether to enable pcntl support... yes, shared

checking for fork... yes

checking for waitpid... yes

checking for sigaction... yes

checking for getpriority... yes

checking for setpriority... yes

checking for wait3... yes

checking for sigprocmask... yes

checking for sigwaitinfo... yes

checking for sigtimedwait... yes

checking for ld used by cc... /usr/bin/ld

checking if the linker (/usr/bin/ld) is GNU ld... yes

checking for /usr/bin/ld option to reload object files... -r

checking for BSD-compatible nm... /usr/bin/nm -B

checking whether ln -s works... yes

checking how to recognize dependent libraries... pass_all

checking for ANSI C header files... yes

checking for sys/types.h... yes

checking for sys/stat.h... yes

checking for stdlib.h... yes

checking for string.h... yes

checking for memory.h... yes

checking for strings.h... yes

checking for inttypes.h... yes

checking for stdint.h... yes

checking for unistd.h... yes

checking dlfcn.h usability... yes

checking dlfcn.h presence... yes

checking for dlfcn.h... yes

checking the maximum length of command line arguments... 1966080

checking command to parse /usr/bin/nm -B output from cc object... ok

checking for objdir... .libs

checking for ar... ar

checking for ranlib... ranlib

checking for strip... strip

checking if cc supports -fno-rtti -fno-exceptions... no

checking for cc option to produce PIC... -fPIC

checking if cc PIC flag -fPIC works... yes

checking if cc static flag -static works... no

checking if cc supports -c -o file.o... yes

checking whether the cc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes

checking whether -lc should be explicitly linked in... no

checking dynamic linker characteristics... GNU/Linux ld.so

checking how to hardcode library paths into programs... immediate

checking whether stripping libraries is possible... yes

checking if libtool supports shared libraries... yes

checking whether to build shared libraries... yes

checking whether to build static libraries... no

creating libtool

appending configuration tag"CXX"to libtool

configure: creating ./config.status

config.status: creating config.h

config.status: config.h is unchanged

运行完后在make&&make install,运行结果如下：

[root@qzltxx pcntl]# make

/bin/sh /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/libtool --mode=compile cc -I. -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl -DPHP_ATOM_INC -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/include -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/main -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl -I/usr/local/php/include/php -I/usr/local/php/include/php/main -I/usr/local/php/include/php/TSRM -I/usr/local/php/include/php/Zend -I/usr/local/php/include/php/ext -I/usr/local/php/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/pcntl.c -o pcntl.lo

mkdir .libs

 cc -I. -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl -DPHP_ATOM_INC -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/include -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/main -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl -I/usr/local/php/include/php -I/usr/local/php/include/php/main -I/usr/local/php/include/php/TSRM -I/usr/local/php/include/php/Zend -I/usr/local/php/include/php/ext -I/usr/local/php/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/pcntl.c -fPIC -DPIC -o .libs/pcntl.o

/bin/sh /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/libtool --mode=compile cc -I. -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl -DPHP_ATOM_INC -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/include -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/main -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl -I/usr/local/php/include/php -I/usr/local/php/include/php/main -I/usr/local/php/include/php/TSRM -I/usr/local/php/include/php/Zend -I/usr/local/php/include/php/ext -I/usr/local/php/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/php_signal.c -o php_signal.lo

 cc -I. -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl -DPHP_ATOM_INC -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/include -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/main -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl -I/usr/local/php/include/php -I/usr/local/php/include/php/main -I/usr/local/php/include/php/TSRM -I/usr/local/php/include/php/Zend -I/usr/local/php/include/php/ext -I/usr/local/php/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/php_signal.c -fPIC -DPIC -o .libs/php_signal.o

/bin/sh /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/libtool --mode=link cc -DPHP_ATOM_INC -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/include -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/main -I/usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl -I/usr/local/php/include/php -I/usr/local/php/include/php/main -I/usr/local/php/include/php/TSRM -I/usr/local/php/include/php/Zend -I/usr/local/php/include/php/ext -I/usr/local/php/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -o pcntl.la -export-dynamic -avoid-version -prefer-pic -module -rpath /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/modules pcntl.lo php_signal.lo

cc -shared .libs/pcntl.o .libs/php_signal.o -Wl,-soname -Wl,pcntl.so -o .libs/pcntl.so

creating pcntl.la

(cd .libs && rm -f pcntl.la && ln -s ../pcntl.la pcntl.la)

/bin/sh /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/libtool --mode=install cp ./pcntl.la /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/modules

cp ./.libs/pcntl.so /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/modules/pcntl.so

cp ./.libs/pcntl.lai /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/modules/pcntl.la

PATH="$PATH:/sbin"ldconfig -n /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/modules

----------------------------------------------------------------------

Libraries have been installed in:

/usr/local/src/EZHTTP-master/soft/php-5.3.27/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'.

[root@qzltxx pcntl]# make test

Build complete.

Don't forget to run 'make test'.

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

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

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

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

=====================================================================

PHP : /usr/local/php/bin/php

PHP_SAPI : cli

PHP_VERSION : 5.3.27

ZEND_VERSION: 2.3.0

PHP_OS : Linux - Linux qzltxx 2.6.32-279.el6.x86_64 #1 SMP Fri Jun 22 12:19:21 UTC 2012 x86_64

INI actual : /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl/tmp-php.ini

More .INIs :

CWD : /usr/local/src/EZHTTP-master/soft/php-5.3.27/ext/pcntl

Extra dirs :

VALGRIND : Not used

=====================================================================

TIME START 2015-01-23 08:12:17

=====================================================================

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 2015-01-23 08:12:21

=====================================================================

TEST RESULT SUMMARY

---------------------------------------------------------------------

Exts skipped : 0

Exts tested : 29

---------------------------------------------------------------------

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]

=====================================================================

You may have found a problem in PHP.

This report can be automatically sent to the PHP QA team at

http://qa.php.net/reports and http://news.php.net/php.qa.reports

This gives us a better understanding of PHP's behavior.

If you don't want to send the report immediately you can choose

option"s"to save it.

You can then email it to qa-reports@lists.php.net later.

Do you want to send this report now? [Yns]: n

[root@qzltxx pcntl]# make install

Installing shared extensions: /usr/local/php/lib/php/extensions/no-debug-zts-20090626/

最后修改php.ini配置文件，在最后一行添加，然后重启apache

extension=pcntl.so

三、有些扩展可以通过pecl命令添加扩展

例如安装Libevent扩展直接输入命令pecl install Libevent会在目录

/usr/local/php/lib/php/extensions/no-debug-zts-20090626/

下生成Libevent.so，最后修改配置文件php.ini(同上一个方法）

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