diff options
Diffstat (limited to 'gnu/system/locale.scm')
| -rw-r--r-- | gnu/system/locale.scm | 62 |
1 files changed, 57 insertions, 5 deletions
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 |