Improve compatibility with older dependencies

fiv-io-model.c

@@ -166,6 +166,10 @@ model_entry_array_new(void)
 		(GDestroyNotify) fiv_io_model_entry_unref);
 }
 
+#if !GLIB_CHECK_VERSION(2, 70, 0)
+#define g_pattern_spec_match g_pattern_match
+#endif
+
 static gboolean
 model_supports(FivIoModel *self, const char *filename)
 {

fiv.c

@@ -1352,7 +1352,7 @@ show_preferences(void)
 	if (!g_spawn_async(
 		NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, &error)) {
 		if (g_error_matches(error, G_SPAWN_ERROR, G_SPAWN_ERROR_NOENT))
-			g_prefix_error_literal(&error,
+			g_prefix_error(&error, "%s",
 				"Please install dconf-editor, or use the gsettings utility.\n");
 		show_error_dialog(error);
 	}

meson.build

@@ -154,7 +154,8 @@ gresources = gnome.compile_resources('resources',
 tiff_tables = custom_target('tiff-tables.h',
 	output : 'tiff-tables.h',
 	input : 'tiff-tables.db',
-	command : ['tiff-tables.awk', '@INPUT@'],
+	# Meson 0.56 chokes on files() as well as on a relative path.
+	command : [meson.current_source_dir() / 'tiff-tables.awk', '@INPUT@'],
 	capture : true,
 )