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-rw-r--r--guix/build/meson-configuration.scm56
1 files changed, 56 insertions, 0 deletions
diff --git a/guix/build/meson-configuration.scm b/guix/build/meson-configuration.scm
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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
+;;;
+;;; 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 (guix build meson-configuration)
+ #:use-module (ice-9 match)
+ #:export (write-section-header write-assignment write-assignments))
+
+;; Commentary:
+;;
+;; Utilities for generating a ‘Cross build definition file’ for
+;; the Meson build system. Configuration values are currently
+;; never escaped. In practice this is unlikely to be a problem
+;; in the build environment.
+;;
+;; Code:
+
+(define (write-section-header port section-name)
+ "Write a section header for a section named SECTION-NAME to PORT."
+ (format port "[~a]~%" section-name))
+
+(define (write-assignment port key value)
+ "Write an assignment of VALUE to KEY to PORT.
+
+VALUE must be a string (without any special characters such as quotes),
+a boolean or an integer. Lists are currently not supported"
+ (match value
+ ((? string?)
+ (format port "~a = '~a'~%" key value))
+ ((? integer?)
+ (format port "~a = ~a~%" key value))
+ (#f
+ (format port "~a = true~%" key))
+ (#t
+ (format port "~a = false~%" key))))
+
+(define* (write-assignments port alist)
+ "Write the assignments in ALIST, an association list, to PORT."
+ (for-each (match-lambda
+ ((key . value)
+ (write-assignment port key value)))
+ alist))