By default, packages fully using GNU gettext, internally,
are installed in such a way that they to allow translation of
messages. At configuration time, those packages should
automatically detect whether the underlying host system provides usable
catgets or gettext functions. If neither is present,
the GNU gettext library should be automatically prepared
and used. Installers may use special options at configuration
time for changing this behavior. The command `./configure
--with-gnu-gettext' bypasses system catgets or gettext to
use GNU gettext instead, while `./configure --disable-nls'
produces program totally unable to translate messages.
Internationalized packages have usually many `ll.po'
files. Unless
translations are disabled, all those available are installed together
with the package. However, the environment variable LINGUAS
may be set, prior to configuration, to limit the installed set.
LINGUAS should then contain a space separated list of two-letter
codes, stating which languages are allowed.
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