[20/41] Compiling Vala source ../g4music-v1.9.2/src/config.vapi ../g4mus....2/src/utils/tag-cache.vala ../g4music-v1.9.2/src/utils/thumbnailer.val
../g4music-v1.9.2/src/ui/preferences.vala:85.27-85.47: warning: `Gtk.FileChooserNative' has been deprecated since 4.10
85 | var chooser = new Gtk.FileChooserNative (null, parent,
| ^~~~~~~~~~~~~~~~~~~~~
../g4music-v1.9.2/src/ui/preferences.vala:85.13-85.19: warning: `Gtk.FileChooserNative' has been deprecated since 4.10
85 | var chooser = new Gtk.FileChooserNative (null, parent,
| ^~~~~~~
../g4music-v1.9.2/src/ui/peak-bar.vala:54.25-54.41: warning: `Gtk.Widget.get_style_context' has been deprecated since 4.10
54 | var style = get_style_context ();
| ^~~~~~~~~~~~~~~~~
../g4music-v1.9.2/src/ui/peak-bar.vala:54.17-54.21: warning: `Gtk.StyleContext' has been deprecated since 4.10
54 | var style = get_style_context ();
| ^~~~~
../g4music-v1.9.2/src/ui/window.vala:372.13-372.31: warning: `Gtk.DropTarget.on_drop' has been deprecated since vala-0.58. Use DropTarget.drop
372 | drop_target.on_drop.connect ((value, x, y) => {
| ^~~~~~~~~~~~~~~~~~~
../g4music-v1.9.2/src/ui/window.vala:95.13-95.28: warning: `Gtk.StyleContext' has been deprecated since 4.10
95 | Gtk.StyleContext.add_provider_for_display (this.display, provider, Gtk.STYLE_PROVIDER_PRIORITY_USER);
| ^~~~~~~~~~~~~~~~
../g4music-v1.9.2/src/ui/play-bar.vala:12.9-12.40: warning: `Gtk.VolumeButton' has been deprecated since 4.10
12 | private Gtk.VolumeButton _volume = new Gtk.VolumeButton ();
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../g4music-v1.9.2/src/ui/play-bar.vala:12.48-12.63: warning: `Gtk.VolumeButton' has been deprecated since 4.10
12 | private Gtk.VolumeButton _volume = new Gtk.VolumeButton ();
| ^~~~~~~~~~~~~~~~
../g4music-v1.9.2/src/application.vala:486.35-486.55: warning: `Gtk.FileChooserNative' has been deprecated since 4.10
486 | var chooser = new Gtk.FileChooserNative (null, active_window, Gtk.FileChooserAction.SAVE, null, null);
| ^~~~~~~~~~~~~~~~~~~~~
../g4music-v1.9.2/src/application.vala:486.21-486.27: warning: `Gtk.FileChooserNative' has been deprecated since 4.10
486 | var chooser = new Gtk.FileChooserNative (null, active_window, Gtk.FileChooserAction.SAVE, null, null);
| ^~~~~~~
../g4music-v1.9.2/src/utils/async-task.vala:11.21-11.24: warning: copying delegates is not supported
11 | _task = task;
| ^~~~
../g4music-v1.9.2/src/utils/async-task.vala:12.25-12.32: warning: copying delegates is not supported
12 | _callback = callback;
hope can help.