Building telepathy-glib with GCC 14 fails here:
https://build.opensuse.org/package/live_build_log/openSUSE:Factory:Staging:Gcc7/telepathy-glib/standard/x86_64

Due to (exhaustive list of errors):

protocol.c: In function ‘_tp_protocol_parse_manager_file’:
protocol.c:1794:42: error: passing argument 2 of ‘g_ptr_array_new_full’ from incompatible pointer type [-Wincompatible-pointer-types]
 1794 |   param_specs = g_ptr_array_new_full (i, tp_value_array_free);
      |                                          ^~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          void (*)(GValueArray *) {aka void (*)(struct _GValueArray *)}
In file included from /usr/include/glib-2.0/glib.h:33,
                 from /usr/include/glib-2.0/gobject/gbinding.h:30,
                 from /usr/include/glib-2.0/glib-object.h:24,
                 from ../telepathy-glib/protocol.h:27,
                 from protocol.c:37:
/usr/include/glib-2.0/glib/garray.h:175:62: note: expected ‘GDestroyNotify’ {aka ‘void (*)(void *)’} but argument is of type ‘void (*)(GValueArray *)’ {aka ‘void (*)(struct _GValueArray *)’}
  175 |                                            GDestroyNotify    element_free_func);
      |                                            ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~



See the meta bug#1220571 for more info.