Hi Christophe, Thanks for your comments, as you said, it should be my old glib version issue. Regards, Alex ----- Original Message ----- From: "Christophe Fergeau" <cfergeau@xxxxxxxxxx> To: "Alex Jia" <ajia@xxxxxxxxxx> Cc: "Daniel Berrange" <berrange@xxxxxxxxxx>, "libvir" <libvir-list@xxxxxxxxxx> Sent: Friday, January 13, 2012 4:58:08 PM Subject: Re: [libvirt-glib] Compilation warning and error On Thu, Jan 12, 2012 at 10:50:57PM -0500, Alex Jia wrote: > CC libvirt_gobject_1_0_la-libvirt-gobject-main.lo > CC libvirt_gobject_1_0_la-libvirt-gobject-domain-snapshot.lo > CC libvirt_gobject_1_0_la-libvirt-gobject-domain-device.lo > libvirt-gobject-domain-device.c: In function 'gvir_domain_device_set_property': > libvirt-gobject-domain-device.c:77: warning: implicit declaration of function 'g_clear_object' > libvirt-gobject-domain-device.c:77: warning: nested extern declaration of 'g_clear_object' This was added in glib 2.28 > CC libvirt_gobject_1_0_la-libvirt-gobject-domain-disk.lo > CC libvirt_gobject_1_0_la-libvirt-gobject-domain-interface.lo > CC libvirt_gobject_1_0_la-libvirt-gobject-domain.lo > libvirt-gobject-domain.c: In function 'gvir_domain_save_helper': > libvirt-gobject-domain.c:777: warning: implicit declaration of function 'g_simple_async_result_take_error' > libvirt-gobject-domain.c:777: warning: nested extern declaration of 'g_simple_async_result_take_error' This was added in glib 2.28 too > CC libvirt_gobject_1_0_la-libvirt-gobject-interface.lo > libvirt-gobject-interface.c:158: error: expected declaration specifiers or '...' before 'gvir_interface_handle' > libvirt-gobject-interface.c:159: error: expected declaration specifiers or '...' before 'gvir_interface_handle_copy' > libvirt-gobject-interface.c:159: error: expected declaration specifiers or '...' before 'gvir_interface_handle_free' > libvirt-gobject-interface.c:158: error: parameter 1 has incomplete type > libvirt-gobject-interface.c:161: warning: return type defaults to 'int' > libvirt-gobject-interface.c:158: warning: no previous prototype for 'G_DEFINE_BOXED_TYPE' And this was added in glib 2.26 But configure.ac only checks for glib 2.10, you probably have an older glib. Adding compatibility fallbacks for older glibs for these functions shouldn't be too hard, spice-gtk added such fallbacks recently. Christophe -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list