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-rw-r--r--gnu/system.scm6
-rw-r--r--gnu/system/locale.scm62
2 files changed, 62 insertions, 6 deletions
diff --git a/gnu/system.scm b/gnu/system.scm
index 3d570c0d1f..8fed857b39 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -76,6 +76,7 @@
operating-system-timezone
operating-system-locale
operating-system-locale-definitions
+ operating-system-locale-libcs
operating-system-mapped-devices
operating-system-file-systems
operating-system-activation-script
@@ -144,6 +145,8 @@
(default "en_US.utf8"))
(locale-definitions operating-system-locale-definitions ; list of <locale-definition>
(default %default-locale-definitions))
+ (locale-libcs operating-system-locale-libcs ; list of <packages>
+ (default %default-locale-libcs))
(name-service-switch operating-system-name-service-switch ; <name-service-switch>
(default %default-nss))
@@ -643,7 +646,8 @@ listed in OS. The C library expects to find it under
(raise (condition
(&message (message "system locale lacks a definition")))))
- (locale-directory (operating-system-locale-definitions os)))
+ (locale-directory (operating-system-locale-definitions os)
+ #:libcs (operating-system-locale-libcs os)))
(define (kernel->grub-label kernel)
"Return a label for the GRUB menu entry that boots KERNEL."
diff --git a/gnu/system/locale.scm b/gnu/system/locale.scm
index 010fb45272..e798827a01 100644
--- a/gnu/system/locale.scm
+++ b/gnu/system/locale.scm
@@ -18,11 +18,15 @@
(define-module (gnu system locale)
#:use-module (guix gexp)
+ #:use-module (guix store)
+ #:use-module (guix monads)
#:use-module (guix records)
#:use-module (guix packages)
+ #:use-module (guix utils)
#:use-module (gnu packages base)
#:use-module (gnu packages compression)
#:use-module (srfi srfi-26)
+ #:use-module (ice-9 match)
#:export (locale-definition
locale-definition?
locale-definition-name
@@ -31,6 +35,7 @@
locale-directory
+ %default-locale-libcs
%default-locale-definitions))
;;; Commentary:
@@ -50,6 +55,15 @@
(define* (localedef-command locale
#:key (libc (canonical-package glibc)))
"Return a gexp that runs 'localedef' from LIBC to build LOCALE."
+ (define (maybe-version-directory)
+ ;; XXX: For libc prior to 2.22, GuixSD did not store locale data in a
+ ;; version-specific sub-directory. Check whether this is the case.
+ ;; TODO: Remove this hack once libc 2.21 is buried.
+ (let ((version (package-version libc)))
+ (if (version>=? version "2.22")
+ (list version "/")
+ '())))
+
#~(begin
(format #t "building locale '~a'...~%"
#$(locale-definition-name locale))
@@ -58,20 +72,29 @@
"-i" #$(locale-definition-source locale)
"-f" #$(locale-definition-charset locale)
(string-append #$output "/"
- #$(package-version libc) "/"
+ #$@(maybe-version-directory)
#$(locale-definition-name locale))))))
-(define* (locale-directory locales
- #:key (libc (canonical-package glibc)))
+(define* (single-locale-directory locales
+ #:key (libc (canonical-package glibc)))
"Return a directory containing all of LOCALES for LIBC compiled.
Because locale data formats are incompatible when switching from one libc to
another, locale data is put in a sub-directory named after the 'version' field
of LIBC."
+ (define version
+ (package-version libc))
+
(define build
#~(begin
(mkdir #$output)
- (mkdir (string-append #$output "/" #$(package-version libc)))
+
+ ;; XXX: For libcs < 2.22, locale data is stored in the top-level
+ ;; directory.
+ ;; TODO: Remove this hack once libc 2.21 is buried.
+ #$(if (version>=? version "2.22")
+ #~(mkdir (string-append #$output "/" #$version))
+ #~(symlink "." (string-append #$output "/" #$version)))
;; 'localedef' executes 'gzip' to access compressed locale sources.
(setenv "PATH" (string-append #$gzip "/bin"))
@@ -80,9 +103,38 @@ of LIBC."
(and #$@(map (cut localedef-command <> #:libc libc)
locales)))))
- (gexp->derivation "locale" build
+ (gexp->derivation (string-append "locale-" version) build
#:local-build? #t))
+(define* (locale-directory locales
+ #:key (libcs %default-locale-libcs))
+ "Return a locale directory containing all of LOCALES for each libc package
+listed in LIBCS.
+
+It is useful to list more than one libc when willing to support
+already-installed packages built against a different libc since the locale
+data format changes between libc versions."
+ (match libcs
+ ((libc)
+ (single-locale-directory locales #:libc libc))
+ ((libcs ..1)
+ (mlet %store-monad ((dirs (mapm %store-monad
+ (lambda (libc)
+ (single-locale-directory locales
+ #:libc libc))
+ libcs)))
+ (gexp->derivation "locale-multiple-versions"
+ #~(begin
+ (use-modules (guix build union))
+ (union-build #$output (list #$@dirs)))
+ #:modules '((guix build union))
+ #:local-build? #t
+ #:substitutable? #f)))))
+
+(define %default-locale-libcs
+ ;; The libcs for which we build locales by default.
+ (list (canonical-package glibc)))
+
(define %default-locale-definitions
;; Arbitrary set of locales that are built by default. They are here mostly
;; to facilitate first-time use to some people, while others may have to add