[Pkg-mediawiki-devel] Bug#821720: Bug#821720: src:wikidiff2: PHP 7.0 Transition

Seb35 seb35 at seb35.fr
Fri May 6 11:10:59 UTC 2016


I tried to change the dependencies and verify it works with PHP 7.0 on  
Stretch. It’s the first time I create a Debian package, so probably there  
are mistakes, but my result is on https://github.com/Seb35/wikidiff2.

The dependencies are updated and I successfully installed it on Stretch,  
but there is a segfault. The old code didn’t compile, so I tried to fix  
the bug in the returned value (a string) by following  
https://wiki.php.net/phpng-upgrading#zend_string_api. It compiles now but  
the segfault remains. Is there anyone who can investigate on this?

I created a task on Phabricator https://phabricator.wikimedia.org/T134561.

~ Seb35

Le Mon, 18 Apr 2016 23:02:54 +0200, Ondřej Surý <ondrej at debian.org> a  
> Package: src:wikidiff2
> Severity: important
> User: pkg-php-maint at lists.alioth.debian.org
> Usertags: php7.0-transition
> Hash: SHA512
> Dear maintainer(s),
> this bug is a part of ongoing php7.0 transition.  It is filled as
> important, but the severity will be bumped to serious within quite short
> (~month) timeframe as the transition was announced almost 3 months ago.
> The wikidiff2 package currently build-depends on php5 php5-cli php5-dev .
> PHP 7.0 has landed in unstable with substantial changes to the packaging:
>   1. Every package built from src:phpMAJOR.MINOR now include
>      phpMAJOR.MINOR in the name, so f.e. php5-fpm is now php7.0-fpm.
>   2. Accompanying src:php-defaults builds 1:1 mapping to a default
>      MAJOR.MINOR version, e.g. php-fpm depends on php7.0-fpm.  When you
>      specify a dependency, please use the generic name, unless you
>      absolutely know that won't work for you.
>   3. Every path in the system has been changed to a versioned, e.g.
>      /etc/php5/cli is now /etc/php/7.0/cli
>   4. dh_php5 is now dh_php
>   5. php-pear is not built from independent source package.
>   6. master-7.0 branches of several extensions (php-apcu, xdebug,
>      php-apcu-bc) can be used as a template how to change the PHP
>      extension packaging.  It's mostly cut&paste since the d/rules tries
>      to figure-out most of the variables from debian/ directory.
>   7. pkg-php-tools package now supports PHP 7.0 packaging and if your
>      package uses pkg-php-tools a simple binNMU is all it might need
>   8. PHP 7.0 has changed extension API, so most-if-not-all extensions
>      need work from upstream to be compatible with PHP 7.0.
>   9. We expect to ship next Debian release (stretch) only with PHP
>      7.0, that means that all packages needs to be made compatible with
>      PHP 7.0.  Fortunately the PHP 7.0 is mostly compatible with properly
>      maintained software.  However some extensions has been deprecated
>      (f.e. mysql) and thus old unmaintained software will stop working
>      and it will have to be either patched or removed from stable Debian.
> So what you need to do:
> Replace every occurence of php5 with just php, e.g. if you depend on
> 'php5' then you just need to depend on 'php'.  Also if you package a web
> application and depend on specific SAPI, I would recommend depending just
> on 'php' package and let the user decide whether he will install php-fpm,
> libapache2-mod-php or php-cgi.
> The script that was used to get the list of packages for MBF was not a
> particular smart one (so it doesn't detect alternatives, etc.), so if
> there's a false positive, please excuse me and just close the bug with
> short explanation.
> The other options that might be used with packages that don't and won't
> support PHP 7.0 is to remove the software from Debian by changing the
> title of this bugreport to:
>     RM: wikidiff2 -- ROM; doesn't support PHP 7.0
> reassigning it to ftp.debian.org pseudo-package and changing severity to
> 'normal'.
> Also feel free to contact the maintainers at one of the lists:
> pkg-php-pear at lists.alioth.debian.org -- for PEAR related packages
> pkg-php-pecl at lists.alioth.debian.org -- for PHP extensions
> pkg-php-maint at lists.alioth.debian.org -- main PHP packaging and catch-all
> Cheers, Ondrej
> - -- System Information:
> Debian Release: 8.4
>   APT prefers stable-updates
>   APT policy: (500, 'stable-updates'), (500, 'proposed-updates'), (500,  
> 'stable')
> Architecture: amd64 (x86_64)
> Kernel: Linux 4.2.0-35-generic (SMP w/24 CPU cores)
> Locale: LANG=en_DK.UTF-8, LC_CTYPE=en_DK.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
> Version: GnuPG v2
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> =QpCV
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