Recompile php with mcrypt

Trashbird1240 — Mon, 05 Oct 2009 16:55:09 GMT

Trashbird1240: removed note about editing slackbuild

[[Category:Tutorials]]
PhpMyAdmin (available at [http://www.SlackBuilds.org/ SlackBuilds.org]) works well when you compile PHP with the mcrypt extension. After installing PhpMyAdmin, you may see a warning that it cannot find the mcrypt extension. Unfortunately the official Slackware package does not include this extension. Recompiling PHP is necessary, as is enabling the mcrypt.so extension in /etc/httpd/php.ini. The first step is a little tricky, since compiling PHP requires a little trick: you must compile alpine during the PHP build. It is fairly simple once you have things in place, but this tripped me up when I first tried to recompile PHP.

== Install mcrypt and libmcrypt ==

mcrypt is available from [http://www.SlackBuilds.org SlackBuilds.org]. First build and install mcrypt and libmcrypt before compiling PHP.

== Recompile PHP ==

Go to a Slackware mirror and download Pat's Slackbuild directory for php from the source/n directory. I used

<code># wget --mirror <mirror>/n/php</code>

to download the whole directory. You will also need to download the alpine/ directory into the parent of the newly-created php/. In other words, you should have a parent directory with both php and alpine. For example, mine is ~/SlackBuilds/n, where I have two subdirectories: one for alpine/ and one for php/. An alternative to wget is to use a file manager capable of ftp with drag and drop, such as Nautilus.

'''
Be sure to chmod +x both the alpine and php SlackBuilds before attempting to build.''' If you don't, things may go for quite a while depending on the speed of the machine you're building on before you get an error (and you ''will'' get an error).

The official PHP SlackBuild includes a configure flag for mcrypt, so there is no need to edit the SlackBuild. You may want to specify a BUILD variable on the command line, so the package does not appear to be official (it is ''not'' official):

<code># BUILD=3_<your initials> sudo ./php.SlackBuild</code>

=== Upgrade PHP ===
Install the new package with upgradepkg. Keep in mind that you will need to repeat this process whenever there is a security alert for php. In that case, download the new source, update the VERSION variable, recompile and upgrade. For this reason, I've kept ~/SlackBuilds/n the way it is with alpine and php subdirectories.

== Configure PHP ==

Configuring PHP to use mcrypt is easy: add the line

<code>extension=mcrypt.so</code>

to /etc/httpd/php.ini and then restart apache. Now when you log in to PhpMyAdmin, you should no longer see the warning about mcrypt.

User:Trashbird1240

Trashbird1240 — Mon, 08 Jun 2009 13:37:15 GMT

Trashbird1240: user page

Hello Fellow Slackers,

I am a biology Ph.D. student at the University of North Carolina at Chapel Hill. Being a Unix-nut, Slackware was the logical choice for me. See my homepage [http://www.unc.edu/~adamsonj here] .

SlackWiki - User contributions [en]

Recompile php with mcrypt

User:Trashbird1240