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.
* gnu/packages/guile.scm (guile-reader)[inputs]: Change GUILE-2.0 to
GUILE-2.2.
(guile2.0-reader): New variable.
(guile2.2-reader): Mark as deprecated.
(haunt)[propagated-inputs]: Use GUILE-READER instead of
GUILE2.2-READER.
This is a followup to commit d6d9f1f715.
* gnu/packages/skribilo.scm (skribilo)[propagated-inputs]: Change
'guile-reader/guile-2.0' --> 'guile-reader'.
Reported by Carlos Carleos <carleos@uniovi.es>.
* gnu/packages/skribilo.scm (skribilo)[inputs]: Move
GUILE-READER/GUILE-2.0 and GUILE-LIB to...
[propagated-inputs]: ... here. New field.