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Traductions | Localisation | Internationalisation | edit navbar

Vous trouverez ici les informations relative à la localisation (l10n)de Freeciv.

Freeciv utilise le système gettext pour le support de l'internationalisation et de la localisation. Voir le fichier d'information de gettext pour plus d'information.

Pour avoir un aperçu rapide de gettext, jettez un coup d'oeil sur les quides de Freeciv: guide gettext (en) et notes gettext (en).

Voir Internationalisation pour les détails techniques de la traduction de Freeciv.

Comment contribuer ?Modifier

Si la locale est déjà supportée, contactez le Contact principal (voir Traductions) pour toute information spécifique à cette traduction.

Si vous voulez créer une nouvelle locale, vous devriez nous faire savoir vos intentions. Then you need to apply for source tree access to be able to add and maintain your translation.

You may also find information of general interest to all contributors here, including how to submit changes.

See the info file about gettext for definitive information on its use.

How to add support for new languagesModifier

Suppose you want to add support for Polish (the pl locale), then you would have to do the following things:

  1. Download and install the Freeciv source.
    Check here for the latest SVN snapshots.
  2. Modify the line containig ALL_LINGUAS to include 'pl':
    ALL_LINGUAS="es fr"
    ALL_LINGUAS="es fr pl"
  3. Regenerate the AutoConf stuff:
    $ ./
  4. Configure Freeciv:
    $ ./configure
  5. Change to the po directory:
    $ cd ./po
  6. Create the freeciv.pot file:
    $ make freeciv.pot
  7. Copy freeciv.pot to pl.pox (the auxiliary .po file):
    $ cp freeciv.pot pl.pox
  8. Edit the pl.pox file and translate all entries.
  9. Rename pl.pox to pl.po:
    $ mv pl.pox pl.po
  10. Make the file:
    $ make

How to update your translationsModifier

As the code continues to change, new strings may be added and old strings may be changed or removed.

Suppose you now want to update the Polish translation you made by following the above steps. You have to do the following things:

  1. Download and install the Freeciv source.
    Check here for the latest SVN snapshots.
    (This should now include your previous pl.po file.)
  2. Configure Freeciv:
    $ ./configure
  3. Change to the po directory:
    $ cd ./po
  4. Create the auxiliary .po file:
    $ make pl.pox
    (This will contain a merge of your previous translations and changes in the source code.)
  5. Edit the pl.pox file and update all entries.
  6. Rename pl.pox to pl.po:
    $ mv pl.pox pl.po
  7. Make the file:
    $ make

How to keep two branches in syncModifier

Freeciv develops using svn branches. Whenever we prepare for a release, we branch off development at that point, and keep a copy of the code that we try to do only bugfixes on, and which will eventually become the next stable release. If you do not know how to keep translations in sync between this stable branch and the rapidly moving development branch, you could be in for a nightmare.

However, keeping things in sync is not so difficult. Decide on one branch (stable or development) that you will focus on. Make your changes there, then merge your changes from that branch over into the other with the 'msgmerge' program.

The following command had been put wrongly before and has been corrected shortly:

Given you have completed the translation for the stable branch, and want to feed your translations into the development branch. cd into trunk/po and call it like this:

make freeciv.pot
msgmerge --compendium=de.po PATH-TO-STABLE-DE.PO freeciv.pot -o de.pox

for example

make freeciv.pot
msgmerge --compendium=de.po ../../stable/po/de.po freeciv.pot -o de.pox

This is identical to calling 'make de.pox', except that you also merge in a third .po file as well.

How to create the most current freeciv.pot fileModifier

To create the most current freeciv.pot file, you would have to do the following things:

  1. Check-out the latest Freeciv source from the SVN repository.
    See here for information on using SVN.
  2. Configure Freeciv:
    $ ./configure
  3. Change to the po directory:
    $ cd ./po
  4. Create the freeciv.pot file:
    $ make freeciv.pot

How to handle qualified translatable stringsModifier

Some strings are too ambiguous to be easily translated. The canonical example is the English word "game", which is used in Freeciv in two roles:

  1. The game we play: Freeciv; the name of the first menu item.
  2. The terrain special of game animals -- animals hunted for food.

These are two very different concepts, and must frequently be translated into different words. However, they often occur in the code as the sole content of a string. If they were internationalized in the normal manner, they would be combined into a single entry in the freeciv.pot file:

#: menu.c:123 terrain.c:321 
msgid "Game" 
msgstr "" 

And, hence, could not be translated into the two distinct words it needs be.

Freeciv solves this problem by introducing the concept of qualified translatable strings. Strings are "qualified" by prefixing them with a descriptive tag, surrounded by "?" and ":".

Using our game example, the qualified strings might be:


And these would show up as two distinct entries in the freeciv.pot file:

#: menu.c:123 
msgid "?play:Game" 
msgstr "" 
#: terrain.c:321 
msgid "?animals:Game" 
msgstr "" 

These could now be translated as needed. E.g., in de.po:

#: menu.c:123 
msgid "?play:Game" 
msgstr "?Spiel:Spiel" 
#: terrain.c:321 
msgid "?animals:Game" 
msgstr "?Tiere:Wild" 

Which would appear to the user as:

Spiel and Wild

Note that you don't have to translate the descriptive tags. E.g.:

#: menu.c:123 
msgid "?play:Game" 
msgstr "?play:Spiel" 
#: terrain.c:321 
msgid "?animals:Game" 
msgstr "?animals:Wild"

How to check your translations for common errorsModifier

Before submitting your translations for inclusion in the SVN, you should check to make sure they don't contain obvious errors.

First, near the top of your .po file you should have an entry that looks something like:

msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"POT-Creation-Date: 2000-04-07 13:50-0400\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=CHARSET\n"
"Content-Transfer-Encoding: ENCODING\n"

(perhaps with some of the fields filled in). This entry must exist, and must contain at least:

msgid ""
msgstr ""
"POT-Creation-Date: 2000-04-07 13:50-0400\n"

Second, you should do a quick check that gettext provides to validate your .po file:

% cd po
% msgfmt -v -c --stat de.po

If any errors exist in the specified .po file, a description of each problem will be printed.

How to check in your translationsModifier

Since Freeciv has switched from CVS to Svn, you need a SVN checkout and write access to the tree for this.

From the source root directory, do:

% svn --message "what I did with the po file, updates etc." commit po/de.po

Localization Mini-FAQModifier

These address a few problems and questions about Localization.

How does Freeciv determine what language it should use?Modifier

Freeciv checks the environment variable $LANG for that, so you should set it; for example, to use German, issue the bash command "export LANG=de_DE" before you start civserver or civclient, or "setenv LANG de_DE" if you use tcsh. If you still get English, perhaps you are trying an invalid value (the value "de" instead of "de_DE" will probably fail to work) or the Freeciv software was compiled without localization support.

When I try to "make freeciv.pot", no file is generated.Modifier

It's likely that ./configure didn't find the GNU version of xgettext. Look at the output from ./configure, and if you find something like:

checking for xgettext... :

(note, just a ":", not a path to xgettext) then ./configure could not find any version of xgettext. Or, if you see something like:

checking for xgettext... /usr/bin/xgettext
found xgettext program is not GNU xgettext; ignore it

then ./configure could not find the GNU version of xgettext.

In either case, you will need to get and install the GNU version of the gettext system. If they are installed in a non-standard directory, you have to add it to your $PATH before calling ./configure.

Should I try to translate "Freeciv"?Modifier

No, just leave it "Freeciv" wherever you find it. (Also, note that the "c" in "Freeciv" is not capitalized.)

The Emacs po-mode doesn't start when I load a po-file. What should I do?Modifier

Make sure you have GNU Gettext installed. You can download it from a GNU ftp mirror site.

I have GNU Gettext installed but the po-mode still doesn't start. What should I do now?Modifier

Type 'info gettext' in a shell (or use the Emacs info-mode), select 'Basics' and select 'Installation'. Then you will find more information about installing the Emacs po-mode.

Emacs throws the error message "Fontifying XX.po...buffer too big" when I load a po-file. Is the po-file to big?Modifier

Don't worry. The buffer/file size is just fine. What Emacs is trying to say is that the value of the variable font-lock-maximum-size is too small. Emacs refuses to fontify buffers larger than this value because font-lock may consume a lot of resources for big buffers. To change the value, press 'M-x', type 'customize-variable', press Return, type 'font-lock-maximum-size' and press Return. Read the helptext in the buffer that opens and customize by changing the value to something like 524288 (2^19) (or whatever value you think is suitable). Now the files should become fontified when you open them (unless they are larger than 512kB).

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