ml_gobject.c:292:14: error: conflicting types for 'g_value_get_variant' In file included from /usr/local/include/glib-2.0/glib-object.h:38:0, from ml_gobject.c:26: /usr/local/include/glib-2.0/gobject/gvaluetypes.h:235:17: note: previous declaration of 'g_value_get_variant' was here ml_gobject.c:380:13: error: conflicting types for 'g_value_set_variant' In file included from /usr/local/include/glib-2.0/glib-object.h:38:0, from ml_gobject.c:26: /usr/local/include/glib-2.0/gobject/gvaluetypes.h:231:13: note: previous declaration of 'g_value_set_variant' was here make[2]: *** [ml_gobject.o] Error 2