Merge pull request #149 from dimkr/feature/system-gtk-layer-shell

Fix build failure if wayland-scanner is missing

Author: dimkr

meson.build

@@ -14,7 +14,9 @@ if gtkver == 3
 			default_options: ['default_library=static', 'introspection=false'],
 			required: false,
 		)
-		gtk_layer_shell = proj.get_variable('gtk_layer_shell')
+		if proj.found()
+			gtk_layer_shell = proj.get_variable('gtk_layer_shell')
+		endif
 	endif
 else
 	gtk = dependency('gtk+-2.0')

src/meson.build

@@ -73,7 +73,7 @@ if vte.found()
 else
 	cfg.set('HAVE_VTE', 0)
 endif
-if gtkver == 3
+if gtkver == 3 and gtk_layer_shell.found()
 	dep += [gtk_layer_shell]
 	cfg.set('HAVE_GTK_LAYER_SHELL', 1)
 else