CentOS - Jan 2008 - Rebuilding PHP: how do I manage updates?

Hi,

Our public library management software (PMB) runs on Apache/PHP/MySQL. 
It requires some additional PHP modules to run correctly, namely:

1) php-gd
2) php-yaz
3) php-xslt

I've googled and fiddled around quite a bit, and come to the following 
conclusions:

1) php-gd can be installed from extra repos (rpmforge IIRC), so this 
one's no problem.

2) To install php-yaz, I have to install the yaz library first. To do 
this, I download the FC6 SRPM for yaz from www.indexdata.dk, it builds 
without any problem, and I install the resulting libyaz3 and 
libyaz3-devel. Then, I can install the according PHP module with a 
simple 'pecl install yaz'.

3) Apparently, there's no php-xslt module around. AFAIK, the only way to 
have it is to build it into PHP. So I went and downloaded the PHP SRPM 
from one of the CentOS mirrors. I edited php.spec and added the 
following configure option in php.spec:

--with-xslt-sablot

After installing a myriad of build dependencies, I launched 'rpmbuild 
-bb --clean php.spec', and after a while, I got my 
/usr/src/redhat/RPMS/i386 directory chock-full with resulting PHP packages.

I uninstalled everything I already had PHP-wise, like this:

yum remove `rpm qa | grep php`

Then I simply installed my resulting RPMS like this:

rpm -ivh php-*.rpm

I checked the PHP information page (with phpinfo()), and every module 
needed by my application was there.

Now I wonder: how will I manage security and/or bugfix updates for PHP 
and its modules in the future? When simply issuing 'yum update', any 
update to php will squash my rebuilt version, and PMB will become 
dysfunctional. My first idea would be: see if there are available 
updates, and in that case, download the according SRPM, rebuild and 
reinstall the whole thing. But that sounds a bit tedious.

Or simply put a line in /etc/yum.conf:

exclude=php php-*

???

Any suggestions?

Niki

Niki Kovacs a ?crit :
> Hi,
> 
> Our public library management software (PMB) runs on Apache/PHP/MySQL. 
> It requires some additional PHP modules to run correctly, namely:
> 
> 1) php-gd
> 2) php-yaz
> 3) php-xslt
> 
Post Scriptum: I just wonder if the required php-xslt module is not 
identical with the CentOS 5 php-xml module. Here's what 'yum info 
php-xml' returns:

Summary: A module for PHP applications which use XML
Description:
The php-xml package contains dynamic shared objects which add support
to PHP for manipulating XML documents using the DOM tree,
and performing XSL transformations on XML documents.

Can anyone confirm/infirm this?

Niki

Niki Kovacs wrote:
> Hi,
> 
> Our public library management software (PMB) runs on Apache/PHP/MySQL. 
> It requires some additional PHP modules to run correctly, namely:
> 
> 1) php-gd
> 2) php-yaz
> 3) php-xslt
> 
> I've googled and fiddled around quite a bit, and come to the following 
> conclusions:
> 
> 1) php-gd can be installed from extra repos (rpmforge IIRC), so this 
> one's no problem.
There is a php-gd already in centos-5 ... so no RPMForge RPM is necessary.
> 
> 2) To install php-yaz, I have to install the yaz library first. To do 
> this, I download the FC6 SRPM for yaz from www.indexdata.dk, it builds 
> without any problem, and I install the resulting libyaz3 and 
> libyaz3-devel. Then, I can install the according PHP module with a 
> simple 'pecl install yaz'.
I do not recommend that ... it can get overwritten on php upgrades, 
instead, build a php-pecl RPM.  Use the SRPMS from c5 centosplus as an 
example ... like php-pecl-memcache-2.1.2-1.el5.centos.src.rpm or 
php-pecl-Fileinfo-1.0.4-3.el5.centos.src.rpm
> 
> 3) Apparently, there's no php-xslt module around. AFAIK, the only way
to
> have it is to build it into PHP. So I went and downloaded the PHP SRPM 
> from one of the CentOS mirrors. I edited php.spec and added the 
> following configure option in php.spec:
> 
> --with-xslt-sablot
> 
> After installing a myriad of build dependencies, I launched 'rpmbuild 
> -bb --clean php.spec', and after a while, I got my 
> /usr/src/redhat/RPMS/i386 directory chock-full with resulting PHP packages.
> 
> I uninstalled everything I already had PHP-wise, like this:
> 
> yum remove `rpm qa | grep php`
> 
> Then I simply installed my resulting RPMS like this:
> 
> rpm -ivh php-*.rpm
> 
> I checked the PHP information page (with phpinfo()), and every module 
> needed by my application was there.
> 
> Now I wonder: how will I manage security and/or bugfix updates for PHP 
> and its modules in the future? When simply issuing 'yum update',
any
> update to php will squash my rebuilt version, and PMB will become 
> dysfunctional. My first idea would be: see if there are available 
> updates, and in that case, download the according SRPM, rebuild and 
> reinstall the whole thing. But that sounds a bit tedious.
> 
> Or simply put a line in /etc/yum.conf:
> 
> exclude=php php-*


Thanks,
Johnny Hughes

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