[Freeipa-devel] [PATCH] add i18n translation support

[John Dennis]

This patch is a rework of the "add l10n support" sent on 1/30/2010.
It is virtually identical except no initial languages are defined 
(install/po/LINGUAS is empty) and it contains an initial .pot file. This 
should set us up to flip the switch on transifex.net to start our 
translations.

Comments from the original patch follow. Rob did apply that patch and 
everything worked for him (but he wanted to delay creation of the .po 
files which this rework accomplishes).

The primary patch has two major changes:

* modification of our existing build mechanism

* a new directory install/po which contains the l10n framework and
   translation catalogs.

The first major change to the build mechanism was replacing the
autogen.sh script. I had discovered it was buggy, in particular it's
logic for comparing the version of tools was flawed (used just string
comparison so it thought version 7 of a tool was newer than version
11). Also there didn't seem to be a reason for this script since the
autoregen tool is the preferred mechanism to bootstrap an autotools
build. Older OS's do not have autoregen but We only need to bootstrap
when we generate a distribution which can always be done on a current
Fedora system.

The second part of the changes to the build mechanism were the
necessary modifications to build the l10n components.

* edit Makefile.am to add the new subdir to descent into

* Add new files to generate to configure.ac

* Add new macros to configure.ac to find the gettext tools and set the
   message catalog name.

* Edit the spec file to add a build dependency on gettext and add the
   translation files.

Then add the l10n framework in install/po. There is a README there you
might want to peruse. The initial set of languages we'll provide
translations for is in the install/po/LINGUAS file. The set of files
to scan for translatable strings is in install/po/Makefile.in, we'll
need to manually update this file when we add or remove source files
containing translatable strings.

We provide one message catalog for all strings in IPA. Message
catalogs are referred to as "domains". This means we have just one
domain for IPA and it's installed under the name "ipa". The message
catalogs are not partitioned by rpm component. The message catalogs
are provided in the ipapython rpm which all other rpms depend on.

Please note, there is now a build dependency on gettext, most you
should already have this package installed.

This patch does alter the way the build runs and it's possible it
might introduce a build failure. I have tested builds in clean trees
on F12 and did not have any problems. I wanted to do a scratch build
for Fedora just to bullet proof but I couldn't figure out how to do
it. I'll of course fix any build issue which might arise that I didn't
catch earlier.

Jason and I did discuss adding a "test" language to test translations
in our test framework. This patch does not include that, it will follow.

John
-- 
John Dennis <jdennis at redhat.com>

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www.redhat.com/carveoutcosts/
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