diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/guix.texi | 86 |
1 files changed, 82 insertions, 4 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index fe1f8a8b76..d4bc74f8a4 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -139,6 +139,7 @@ System Configuration * File Systems:: Configuring file system mounts. * Mapped Devices:: Block device extra processing. * User Accounts:: Specifying user accounts. +* Locales:: Language and cultural convention settings. * Services:: Specifying system services. * Setuid Programs:: Programs running with root privileges. * Initial RAM Disk:: Linux-Libre bootstrapping. @@ -3470,6 +3471,7 @@ instance to support new system services. * File Systems:: Configuring file system mounts. * Mapped Devices:: Block device extra processing. * User Accounts:: Specifying user accounts. +* Locales:: Language and cultural convention settings. * Services:: Specifying system services. * Setuid Programs:: Programs running with root privileges. * Initial RAM Disk:: Linux-Libre bootstrapping. @@ -3496,7 +3498,7 @@ kernel, initial RAM disk, and boot loader looks like this: (operating-system (host-name "komputilo") (timezone "Europe/Paris") - (locale "fr_FR.UTF-8") + (locale "fr_FR.utf8") (bootloader (grub-configuration (device "/dev/sda"))) (file-systems (cons (file-system @@ -3649,9 +3651,13 @@ package}). @item @code{timezone} A timezone identifying string---e.g., @code{"Europe/Paris"}. -@item @code{locale} (default: @code{"en_US.UTF-8"}) -The name of the default locale (@pxref{Locales,,, libc, The GNU C -Library Reference Manual}). +@item @code{locale} (default: @code{"en_US.utf8"}) +The name of the default locale (@pxref{Locale Names,,, libc, The GNU C +Library Reference Manual}). @xref{Locales}, for more information. + +@item @code{locale-definitions} (default: @var{%default-locale-definitions}) +The list of locale definitions to be compiled and that may be used at +run time. @xref{Locales}. @item @code{services} (default: @var{%base-services}) A list of monadic values denoting system services. @xref{Services}. @@ -3958,6 +3964,78 @@ to be present on the system. This includes groups such as ``root'', specific devices such as ``audio'', ``disk'', and ``cdrom''. @end defvr +@node Locales +@subsection Locales + +@cindex locale +A @dfn{locale} defines cultural conventions for a particular language +and region of the world (@pxref{Locales,,, libc, The GNU C Library +Reference Manual}). Each locale has a name that typically has the form +@code{@var{language}_@var{territory}.@var{charset}}---e.g., +@code{fr_LU.utf8} designates the locale for the French language, with +cultural conventions from Luxembourg, and using the UTF-8 encoding. + +@cindex locale definition +Usually, you will want to specify the default locale for the machine +using the @code{locale} field of the @code{operating-system} declaration +(@pxref{operating-system Reference, @code{locale}}). + +That locale must be among the @dfn{locale definitions} that are known to +the system---and these are specified in the @code{locale-definitions} +slot of @code{operating-system}. The default value includes locale +definition for some widely used locales, but not for all the available +locales, in order to save space. + +If the locale specified in the @code{locale} field is not among the +definitions listed in @code{locale-definitions}, @command{guix system} +raises an error. In that case, you should add the locale definition to +the @code{locale-definitions} field. For instance, to add the North +Frisian locale for Germany, the value of that field may be: + +@example +(cons (locale-definition + (name "fy_DE.utf8") (source "fy_DE")) + %default-locale-definitions) +@end example + +Likewise, to save space, one might want @code{locale-definitions} to +list only the locales that are actually used, as in: + +@example +(list (locale-definition + (name "ja_JP.eucjp") (source "ja_JP") + (charset "EUC-JP"))) +@end example + +The @code{locale-definition} form is provided by the @code{(gnu system +locale)} module. Details are given below. + +@deftp {Data Type} locale-definition +This is the data type of a locale definition. + +@table @asis + +@item @code{name} +The name of the locale. @xref{Locale Names,,, libc, The GNU C Library +Reference Manual}, for more information on locale names. + +@item @code{source} +The name of the source for that locale. This is typically the +@code{@var{language}_@var{territory}} part of the locale name. + +@item @code{charset} (default: @code{"UTF-8"}) +The ``character set'' or ``code set'' for that locale, +@uref{http://www.iana.org/assignments/character-sets, as defined by +IANA}. + +@end table +@end deftp + +@defvr {Scheme Variable} %default-locale-definitions +An arbitrary list of commonly used locales, used as the default value of +the @code{locale-definitions} field of @code{operating-system} +declarations. +@end defvr @node Services @subsection Services |