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Re: [libvirt] [libvirt-glib] Explicitly link conn-test against libvirt-gconfig libvirt-glib



On Tue, Apr 10, 2012 at 09:36:57PM +0100, Daniel P. Berrange wrote:
> On Tue, Apr 10, 2012 at 10:29:59PM +0200, Guido Günther wrote:
> > otherwise the build fails with:
> > 
> > $ CCLD   conn-test
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_domain_new_from_xml LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_set_error LIBVIRT_GLIB_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_network_new_from_xml LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_storage_pool_new_from_xml LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_init_check LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_domain_get_type LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_object_to_xml LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_event_register LIBVIRT_GLIB_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_init_check LIBVIRT_GLIB_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_domain_get_devices LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_storage_vol_new_from_xml LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_secret_new_from_xml LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_interface_new_from_xml LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_domain_disk_get_type LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_domain_disk_get_target_dev LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_domain_interface_get_type LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_node_device_new_from_xml LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_domain_device_get_type LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_object_get_type LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_error_new_literal LIBVIRT_GLIB_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_domain_snapshot_new_from_xml LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_network_filter_new_from_xml LIBVIRT_GCONFIG_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_set_error_literal LIBVIRT_GLIB_0 0 4'
> > ../libvirt-gobject/.libs/libvirt-gobject-1.0.so: undefined reference to `gvir_config_domain_interface_get_ifname LIBVIRT_GCONFIG_0 0 4'
> > collect2: ld returned 1 exit status
> > ---
> >  examples/Makefile.am |    2 ++
> >  1 files changed, 2 insertions(+), 0 deletions(-)
> > 
> > diff --git a/examples/Makefile.am b/examples/Makefile.am
> > index b77076d..37a8447 100644
> > --- a/examples/Makefile.am
> > +++ b/examples/Makefile.am
> > @@ -25,6 +25,8 @@ conn_test_SOURCES = \
> >  		conn-test.c
> >  conn_test_LDADD = \
> >  		../libvirt-gobject/libvirt-gobject-1.0.la \
> > +		../libvirt-gconfig/libvirt-gconfig-1.0.la \
> > +		../libvirt-glib/libvirt-glib-1.0.la \
> >  		$(LIBVIRT_LIBS) \
> >  		$(GLIB2_LIBS) \
> >  		$(GOBJECT2_LIBS)
> 
> I don't think this is right. libvirt-gobject-1.0.la already specifies
> a dependancy on libvirt-gconfig-1.0.la and libvirt-glib-1.0.la, so
> we should not have to duplicate that information:
> 
> 
> $ grep dependency libvirt-gobject/libvirt-gobject-1.0.la 
> # Linker flags that can not go in dependency_libs.
> dependency_libs=' -lgio-2.0 -lgmodule-2.0 /home/berrange/src/virt/libvirt-glib/libvirt-glib/libvirt-glib-1.0.la -lvirt -ldl /home/berrange/src/virt/libvirt-glib/libvirt-gconfig/libvirt-gconfig-1.0.la -lgobject-2.0 -lgthread-2.0 -lrt -lglib-2.0 -lxml2'

These are not emitted by Debian's libtool motivated by:

http://lists.debian.org/debian-devel/2009/08/msg00783.html

Fedora discussed something similar:

http://lists.fedoraproject.org/pipermail/devel/2010-November/146343.html

When I revert Debian's libtool patch I indeed end up with the above
dependency_libs line but since the aim is to make these empty I'd be
great to have this applied.
Cheers,
 -- Guido


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