Build system: Don't compile schemas when packing

src/data/meson.build

@@ -9,6 +9,12 @@ gnome.compile_resources(
   install_dir: INSTALL_DIR / 'resources',
 )
 
+install_data(
+  DNS + '.gschema.xml',
+  install_dir: INSTALL_DIR / 'schemas'
+)
+
+if not get_option('pack')
   glib_compile_schemas_exe = find_program('glib-compile-schemas')
   custom_target(
     'gschemas',
@@ -23,3 +29,4 @@ custom_target(
     install: true,
     install_dir: INSTALL_DIR / 'schemas'
   )
+endif