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author | Ludovic Courtès <ludo@gnu.org> | 2019-06-06 13:36:51 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2019-06-07 21:50:18 +0200 |
commit | 15ec93a7832ae7dde747ccd9bb2bb2776be9f199 (patch) | |
tree | c6b97d333950ec8ad734624244586cb60ca7e47d /gnu/build | |
parent | bc48088b14a4513044f87ce656db6945311c40d6 (diff) | |
download | guix-15ec93a7832ae7dde747ccd9bb2bb2776be9f199.tar.gz |
Add (gnu build locale).
* gnu/build/locale.scm: New file. * gnu/local.mk (MODULES_NOT_COMPILED): Add it. * gnu/installer/locale.scm (normalize-codeset): Remove. * gnu/system/locale.scm (localedef-command): Remove. (single-locale-directory): Use (gnu build locale). (glibc-supported-locales)[build]: Likewise, and remove 'read-supported-locales'.
Diffstat (limited to 'gnu/build')
-rw-r--r-- | gnu/build/locale.scm | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/gnu/build/locale.scm b/gnu/build/locale.scm new file mode 100644 index 0000000000..c75a2e9dc5 --- /dev/null +++ b/gnu/build/locale.scm @@ -0,0 +1,86 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org> +;;; +;;; This file is part of GNU Guix. +;;; +;;; GNU Guix is free software; you can redistribute it and/or modify it +;;; under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 3 of the License, or (at +;;; your option) any later version. +;;; +;;; GNU Guix is distributed in the hope that it will be useful, but +;;; WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. + +(define-module (gnu build locale) + #:use-module (guix build utils) + #:use-module (srfi srfi-1) + #:use-module (ice-9 rdelim) + #:use-module (ice-9 match) + #:use-module (ice-9 regex) + #:export (build-locale + normalize-codeset + read-supported-locales)) + +(define locale-rx + ;; Regexp matching a locale line in 'localedata/SUPPORTED'. + (make-regexp + "^[[:space:]]*([[:graph:]]+)/([[:graph:]]+)[[:space:]]*\\\\$")) + +(define (read-supported-locales port) + "Read the 'localedata/SUPPORTED' file from PORT. That file is actually a +makefile snippet, with one locale per line, and a header that can be +discarded." + (let loop ((locales '())) + (define line + (read-line port)) + + (cond ((eof-object? line) + (reverse locales)) + ((string-prefix? "#" (string-trim line)) ;comment + (loop locales)) + ((string-contains line "=") ;makefile variable assignment + (loop locales)) + (else + (match (regexp-exec locale-rx line) + (#f + (loop locales)) + (m + (loop (alist-cons (match:substring m 1) + (match:substring m 2) + locales)))))))) + +(define (normalize-codeset codeset) + "Compute the \"normalized\" variant of CODESET." + ;; info "(libc) Using gettextized software", for the algorithm used to + ;; compute the normalized codeset. + (letrec-syntax ((-> (syntax-rules () + ((_ proc value) + (proc value)) + ((_ proc rest ...) + (proc (-> rest ...)))))) + (-> (lambda (str) + (if (string-every char-set:digit str) + (string-append "iso" str) + str)) + string-downcase + (lambda (str) + (string-filter char-set:letter+digit str)) + codeset))) + +(define* (build-locale locale + #:key + (localedef "localedef") + (directory ".") + (codeset "UTF-8") + (name (string-append locale "." codeset))) + "Compute locale data for LOCALE and CODESET--e.g., \"en_US\" and +\"UTF-8\"--with LOCALEDEF, and store it in DIRECTORY under NAME." + (format #t "building locale '~a'...~%" name) + (invoke localedef "--no-archive" "--prefix" directory + "-i" locale "-f" codeset + (string-append directory "/" name))) |