gnu: Update gtkmm to 4.2.0, add gtkmm@3, and adjust gtkmm@2.

* gnu/packages/gtk.scm (gtkmm)[version]: Update to 4.2.0.
[arguments](meson): New argument.
[native-inputs]: Add glib:bin.
[propagated-inputs]: Replace gtk+ with gtk.
(gtkmm-3): New variable.
(gtkmm-2)[arguments]: Strip certain inherited arguments.
* gnu/packages/animation.scm (synfigstudio)[inputs]: Switch to gtkmm-3.
* gnu/packages/astronomy.scm (stackistry)[inputs]: Ditto.
* gnu/packages/audio.scm (guitarix)[inputs]: Ditto.
* gnu/packages/disk.scm (parted)[inputs]: Ditto.
* gnu/packages/gnome.scm (gnome-system-monitor)[inputs]: Ditto.
(workrave)[inputs]: Ditto.
(gnote)[inputs]: Ditto.
* gnu/packages/gobby.scm (gobby)[inputs]: Ditto.
* gnu/packages/inkscape.scm (inkscape)[inputs]: Ditto.
* gnu/packages/mail.scm (astroid)[inputs]: Ditto.
* gnu/packages/mate.scm (mate-system-monitor)[inputs]: Ditto.
* gnu/packages/music.scm (tascam-gtk)[inputs]: Ditto.
* gnu/packages/photo.scm (rawtherapee)[inputs]: Ditto.
* gnu/packages/pulseaudio.scm (pavucontrol)[inputs]: Ditto.
(paprefs)[inputs]: Ditto.
* gnu/packages/text-editors.scm (jucipp)[inputs]: Ditto.
* gnu/packages/wm.scm (waybar)[inputs]: Ditto.

1 files changed, 1 insertions, 1 deletions

diff --git a/gnu/packages/photo.scm b/gnu/packages/photo.scm
index f292d3e8ba..8634f00158 100644
--- a/gnu/packages/photo.scm
+++ b/gnu/packages/photo.scm
@@ -813,7 +813,7 @@ a complete panorama and stitch any series of overlapping pictures.")
        ("glib" ,glib)
        ("glibmm" ,glibmm)
        ("gtk+" ,gtk+)
-       ("gtkmm" ,gtkmm)
+       ("gtkmm" ,gtkmm-3)
        ("lcms" ,lcms)
        ("lensfun" ,lensfun)
        ("libcanberra" ,libcanberra)