CC       libgarcon_1_la-garcon-config.lo
  CC       libgarcon_1_la-garcon-marshal.lo
  CC       libgarcon_1_la-garcon-menu-item-pool.lo
  CC       libgarcon_1_la-garcon-menu.lo
  CC       libgarcon_1_la-garcon-menu-item.lo

garcon-menu-item.c: In function ‘garcon_menu_item_reload_from_file’:
garcon-menu-item.c:1030:24: error: assignment from incompatible pointer type [-Werror=incompatible-pointer-types]
       item->priv->file = g_object_ref (G_OBJECT (file));
                        ^
cc1: all warnings being treated as errors
Makefile:748: recipe for target 'libgarcon_1_la-garcon-menu-item.lo' failed
make[3]: *** [libgarcon_1_la-garcon-menu-item.lo] Error 1

../..
Makefile:557: recipe for target 'all' failed
make[2]: *** [all] Error 2
../..
Makefile:533: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
../..
Makefile:465: recipe for target 'all' failed
make: *** [all] Error 2