使用phpize建立php擴展（Cannotfindconfig.m4）

php源碼:/root//php-5.5.31
php安裝: /usr/local/php

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[root@ns root]# phpize
Cannot find config.m4.
Make sure that you run '/usr/local/php/bin/phpize' in the top level source directory of the module

在/usr/local/src/php-4.3.5/ext下找到這個工具
來建立一個php擴展的一個框架
[root@ns ext]#cd /root/soft/php-5.3.4/ext/
[root@ns ext]# ./ext_skel --extname=my_module
Creating directory my_module
Creating basic files: config.m4 .cvsignore my_module.c php_my_module.h CREDITS EXPERIMENTAL tests/001.phpt my_module.php [done].

To use your new extension, you will have to execute the following steps:

1. $ cd ..
2. $ vi ext/my_module/config.m4
3. $ ./buildconf
4. $ ./configure --[with|enable]-my_module
5. $ make
6. $ ./php -f ext/my_module/my_module.php
7. $ vi ext/my_module/my_module.c
8. $ make
執(zhí)行了這個步驟以后你會看到這樣的結果
Repeat steps 3-6 until you are satisfied with ext/my_module/config.m4 and
step 6 confirms that your module is compiled into PHP. Then, start writing
code and repeat the last two steps as often as necessary.
這樣以后我們會在這個目錄下生成一個目錄叫my_module
進入這里面我們看看
[root@ns ext]# cd my_module/
[root@ns my_module]# ls
config.m4 EXPERIMENTAL my_module.php tests
CREDITS my_module.c php_my_module.h

然后我們要修改文件順序是
configue.m4
my_module.c
php_my_module.h

使用文本編輯器打開config.m4文件，文件內容大致如下：
dnl $Id$d
dnl config.m4 for extension my_module
dnl don't forget to call PHP_EXTENSION(my_module)
dnl Comments in this file start with the string 'dnl'.
dnl Remove where necessary. This file will not work
dnl without editing.
dnl If your extension references something external, use with:
dnl PHP_ARG_WITH(my_module, for my_module support,

dnl Make sure that the comment is aligned:
dnl [ --with-my_module Include my_module support])

dnl Otherwise use enable:
dnl PHP_ARG_ENABLE(my_module, whether to enable my_module support,

dnl Make sure that the comment is aligned:
dnl [ --enable-my_module Enable my_module support])

if test "$PHP_MY_MODULE" != "no"; then
dnl If you will not be testing anything external, like existence of

dnl headers, libraries or functions in them, just uncomment the

dnl following line and you are ready to go.
dnl Write more examples of tests here...
PHP_EXTENSION(my_module, $ext_shared)

Fi
根據(jù)你自己的選擇將
dnl PHP_ARG_WITH(my_module, for my_module support,

dnl Make sure that the comment is aligned:
dnl [ --with-my_module Include my_module support])

修改成
PHP_ARG_WITH(my_module, for my_module support,

Make sure that the comment is aligned:
[ --with-my_module Include my_module support])

或者將
dnl PHP_ARG_ENABLE(my_module, whether to enable my_module support,

dnl Make sure that the comment is aligned:
dnl [ --enable-my_module Enable my_module support])

修改成
PHP_ARG_ENABLE(my_module, whether to enable my_module support,

Make sure that the comment is aligned:

[ --enable-my_module Enable my_module support])
我這里用了后者
然后保存退出
然后在編輯
Vi my_module.c
將文件其中的下列代碼進行修改

/* Every user visible function must have an entry in my_module_functions[].

*/
function_entry my_module_functions[] = {
PHP_FE(say_hello, NULL) /* ?添加著一行代碼 */

PHP_FE(confirm_my_module_compiled, NULL) /* For testing, remove later. */

{NULL, NULL, NULL} /* Must be the last line in my_module_functions[] */

};
在文件的最后添加下列代碼
PHP_FUNCTION(say_hello)
{
zend_printf("hello world/n");

}
保存文件退出
然后我們就可以在這個目錄下使用上面的命令了
/usr/local/php/bin/phpize
執(zhí)行以后會看到下面的
[root@ns my_module]# /usr/local/php/bin/phpize
Configuring for:
PHP Api Version:         20020918
Zend Module Api No:      20020429
Zend Extension Api No:   20050606
[root@ns my_module]#
然后執(zhí)行./configure --enable-my_module --with-apxs=/usr/local/apache/bin/apxs --with-php-config=/usr/local/php/bin/php-config
我們在安裝以后的php的bin目錄下的可以找到這個文件的
php-config 和phpize
這一步驟一定要注意你的apache的apxs放在哪里了
然后執(zhí)行make
你會看到出現(xiàn)錯誤了你重新定義了函數(shù)我們前面的
這個你在回頭改一下這個文件把原來的函數(shù)刪除掉在生成的文件里面會有同樣的函數(shù)
你在加入你的代碼
就可以通過了
這個時候會在當前的目錄下生成一個目錄叫modules他的下面就放著你要的
my_module.so文件
cp modules/my_module.so /usr/local/php/ext/
這里需要你先設置你的php的擴展目錄的在
在php.ini里面
通過extension_dir
最后一不是你在php.ini文件中打開這個擴展
extension=my_module.so
然后
重新起動apache
用phpinfo來察看一下ok了

具體操作代碼如下：

[root@localhost bin]# cd /root/
[root@localhost ~]# ls
anaconda-ks.cfg                                       Music
atomic-php55-php-cli-5.5.31-31.el6.art.x86_64.rpm     nginx-1.8.0
atomic-php55-php-common-5.5.31-31.el6.art.x86_64.rpm nginx-1.8.0.tar.gz
atomic-php55-php-devel-5.5.31-31.el6.art.x86_64.rpm   php-5.5.31
Desktop                                               php-5.5.31.tar.bz2
Documents                                             Pictures
Downloads                                             Public
eaccelerator-master                                   rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm
install.log                                           Templates
install.log.syslog                                    Videos
master.zip
[root@localhost ~]# cd php-5.5.31
[root@localhost php-5.5.31]# ls
acinclude.m4      INSTALL             php5.spec                         README.TESTING2
aclocal.m4        install-sh          php5.spec.in                      README.UNIX-BUILD-SYSTEM
build             libs                php.gif                           README.WIN32-BUILD-SYSTEM
buildconf         libtool             php.ini-development               run-tests.php
buildconf.bat     LICENSE             php.ini-production                sapi
CODING_STANDARDS ltmain.sh           README.EXTENSIONS                 scripts
config.guess      main                README.EXT_SKEL                   server-tests-config.php
config.log        makedist            README.GIT-RULES                  server-tests.php
config.nice       Makefile            README.input_filter               snapshot
config.status     Makefile.frag       README.MAILINGLIST_RULES          stamp-h.in
config.sub        Makefile.fragments README.md                         stub.c
configure         Makefile.gcov       README.namespaces                 svnclean.bat
configure.in      Makefile.global     README.NEW-OUTPUT-API             tests
CREDITS           Makefile.objects    README.PARAMETER_PARSING_API      travis
ext               makerpm             README.PHP4-TO-PHP5-THIN-CHANGES TSRM
EXTENSIONS        missing             README.redisT.BINS                UPGRADING
footer            mkinstalldirs       README.RELEASE_PROCESS            UPGRADING.INTERNALS
generated_lists   modules             README.SELF-CONTAINED-EXTENSIONS vcsclean
genfiles          netware             README.STREAMS                    win32
header            NEWS                README.SUBMITTING_PATCH           Zend
include           pear                README.TESTING
[root@localhost php-5.5.31]# cd ext/
[root@localhost ext]# ./ext_skel --extname=my_module
Creating directory my_module
Creating basic files: config.m4 config.w32 .svnignore my_module.c php_my_module.h CREDITS EXPERIMENTAL tes
ts/001.phpt my_module.php [done].
To use your new extension, you will have to execute the following steps:

1. $ cd ..
2. $ vi ext/my_module/config.m4
3. $ ./buildconf
4. $ ./configure --[with|enable]-my_module
5. $ make
6. $ ./sapi/cli/php -f ext/my_module/my_module.php
7. $ vi ext/my_module/my_module.c
8. $ make

Repeat steps 3-6 until you are satisfied with ext/my_module/config.m4 and
step 6 confirms that your module is compiled into PHP. Then, start writing
code and repeat the last two steps as often as necessary.

[root@localhost ext]# cd my_module/
[root@localhost my_module]# ls
config.m4 config.w32 CREDITS EXPERIMENTAL my_module.c my_module.php php_my_module.h tests
[root@localhost my_module]# vi config.m4
[root@localhost my_module]# cp config.m4 config.m4.bak
[root@localhost my_module]# vi config.m4
[root@localhost my_module]# cp my_module.c my_module.c.bak
[root@localhost my_module]# vi my_module.c
[root@localhost my_module]# /usr/local/php/bin/phpize
Configuring for:
PHP Api Version:         20121113
Zend Module Api No:      20121212
Zend Extension Api No:   220121212
[root@localhost my_module]#

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