[libvirt] [PATCH v2] Link libxml2 and libdbus in tests which need it.

[Daniel P. Berrange]

On Mon, Apr 08, 2013 at 08:41:27AM -0500, Serge Hallyn wrote:
> Quoting Daniel P. Berrange (berrange at redhat.com):
> > On Mon, Apr 08, 2013 at 07:54:55AM -0500, Serge Hallyn wrote:
> > > Some tests fail to build without libxml2 or libdbus specified, add
> > > them where needed.
> > > 
> > > Without this, I get errors like
> > > 
> > > /usr/bin/ld: virnettlscontexttest.o: undefined reference to symbol 'gnutls_x509_crt_set_activation_time@@GNUTLS_1_4'
> > > /usr/bin/ld: note: 'gnutls_x509_crt_set_activation_time@@GNUTLS_1_4' is defined in DSO /usr/lib/x86_64-linux-gnu/libgnutls.so.26 so try adding it to the linker command line
> > > /usr/lib/x86_64-linux-gnu/libgnutls.so.26: could not read symbols: Invalid operation
> > > collect2: error: ld returned 1 exit status
> > 
> > So this makes sense because virnettlscontexttest.c directly
> > calls various TLS APIs, and so needs to link to gnutls.
> > 
> > I'm not seeing why you need to add dbus + libxml to all these
> > other tests though. What errors are you getting from them ?
> 
> I incrementally added them one by one, as I got DSO errors about libxml2
> and dbus as below, in sequence:
> 
> CCLD   qemuxml2argvtest
> /usr/bin/ld: ../src/.libs/libvirt_driver_qemu_impl.a(libvirt_driver_qemu_impl_la-qemu_domain.o): undefined reference to symbol 'xmlXPathRegisterNs@@LIBXML2_2.4.30'
> /usr/bin/ld: note: 'xmlXPathRegisterNs@@LIBXML2_2.4.30' is defined in DSO /usr/lib/x86_64-linux-gnu/libxml2.so.2 so try adding it to the linker command line
> /usr/lib/x86_64-linux-gnu/libxml2.so.2: could not read symbols: Invalid operation
> collect2: error: ld returned 1 exit status
> 
> [ and ]
> 
> /usr/bin/ld: ../src/.libs/libvirt_driver_network_impl.a(libvirt_driver_network_impl_la-bridge_driver.o): undefined reference to symbol 'dbus_bus_add_match'
> /usr/bin/ld: note: 'dbus_bus_add_match' is defined in DSO /lib/x86_64-linux-gnu/libdbus-1.so.3 so try adding it to the linker command line
> /lib/x86_64-linux-gnu/libdbus-1.so.3: could not read symbols: Invalid operation
> collect2: error: ld returned 1 exit status

Ok, so those messages indicate that the libvirt_driver_qemu_impl.la and
libvirt_driver_network_impl.la libraries need to have their linkage
fixed, not the test suite(s).


Daniel
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