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gnu: Switch guile-cairo and dependents to Guile 2.2 again.

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Fixes <https://bugs.gnu.org/27551>.
Reported by Leo Famulari <leo@famulari.name>.

This reinstates the following commits:

  e3ddb1e83 * gnu: guile-cairo: Switch to Guile 2.2.
  ae5c6ef39 * gnu: guile-gnome: Update to 2.16.5.
  0fd8013fc * gnu: guile-rsvg: Update to commit 05c6a2fd.
  66b9183c4 * gnu: guile-lib: Switch to Guile 2.2.

and adds the following changes:

* gnu/bootloader/grub.scm (svg->png): Add 'package->derivation' call for
GUILE-2.2.  Pass #:guile-for-build to 'gexp->derivation'.
* gnu/build/svg.scm (svg->png): Add 'em' and 'ex' to the 'let-values'
form to account for all the values returned by
'rsvg-handle-get-dimensions', which Guile 2.2 does not truncate.
This commit is contained in:
Ludovic Courtès
2017-07-02 22:45:33 +02:00
parent 61f81618a8
commit 1b0f266e40
7 changed files with 82 additions and 66 deletions
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4
gnu/build/svg.scm
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@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Andy Wingo <wingo@igalia.com>
;;;
;;; This file is part of GNU Guix.
@@ -50,7 +50,7 @@ dimensions of IN-SVG."
(define svg
(rsvg-handle-new-from-file in-svg))
(let-values (((origin-width origin-height)
(let-values (((origin-width origin-height em ex)
(rsvg-handle-get-dimensions svg)))
(let* ((surf (cairo-image-surface-create 'argb32
origin-width origin-height))