[Fedora-packaging] Packaging/PHP : some update proposal

Remi Collet Fedora at FamilleCollet.com
Wed Dec 20 20:20:10 UTC 2006

Here is some updates proposal for the
Guidelines for packaging PHP addon modules

1 ------ No file in  BUILD directory

PEAR & PECL Packages

The source archive contains a package.xml outside any directory, so you 
should/must use
%setup -q -c

2 ----- Initial spec.

PEAR Packages

To create your specfile, you could use the default template provided by 
rpmdevtools or generate one with  the command "pear make-rpm-spec 
Sources.tgz" (install php-pear-PEAR-Command-Packaging)

3 ---- API version check

PECL Packages

With php-5.1.6-3.3 on FC6 and php-5.2.0-8 on rawhide php-common now 
provide php-zend-api.
This exact version must be require by pecl extension.

The php-common in Fedora Core 7 and above (version 5.2.0-8) provides 
several useful macros:


Solution 1 (using the macros, only available on rawhide)

%if %{?php_zend_api}0
Requires: php_zend_api = %{php_zend_api}

Solution 2 (not using the /etc/rpm/macros.php)

%global php_zendapi  %((echo 0; php -i 2>/dev/null | sed -n 's/^PHP 
Extension => //p') | tail -1)

%if %{fedora} >= 6
Requires: php_zend_api = %{php_zendapi}

We can also post a RFE on php to also provide the macros on FC6

Some comments.

A load time, PHP check that each extension is compatible.
php_dl.c compare ZEND_MODULE_API_NO value at php build time and at 
extension build time.

If this values doesn't match, the extension is not loaded and an error 
is displayed :
> PHP Warning:  PHP Startup: mailparse: Unable to initialize module
> Module compiled with module API=20060613, debug=0, thread-safety=0
> PHP    compiled with module API=20050922, debug=0, thread-safety=0
> These options need to match

php-abi (PHP_API_VERSION) is 20041225 for a very long time.
php-zend-abi (ZEND_MODULE_API_NO) is the true API version need to check 
extension compatibility

Ex : php-5.1.4, 5.1.5, 5.1.6
PHP Api Version: 20041225
Zend Module Api No: 20050922

PHP Api Version: 20041225
Zend Module Api No: 20060613

See Bugzilla #212804

Requires: php-api could be keep, but is not very useful

Thanks for your comments,
I could edit the wiki if this is approved and if you want me to do it.

P.S. i hope this is clear ?

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