Comment 0 for bug 1122774

Trunk fails to build since 2013-02-08 (r12109) on Ubuntu Raring (PPA build bot):

  CXX arc-context.o
In file included from /usr/include/glibmm-2.4/glibmm.h:89:0,
                 from ./io/inkscapestream.h:14,
                 from xml/repr.h:24,
                 from arc-context.cpp:36:
/usr/include/glibmm-2.4/glibmm/threads.h:142:11: error: field 'gobject_' has incomplete type
/usr/include/glibmm-2.4/glibmm/threads.h: In member function 'GThread* Glib::Threads::Thread::gobj()':
/usr/include/glibmm-2.4/glibmm/threads.h:138:41: error: 'gobject_' was not declared in this scope
/usr/include/glibmm-2.4/glibmm/threads.h: In member function 'const GThread* Glib::Threads::Thread::gobj() const':
/usr/include/glibmm-2.4/glibmm/threads.h:139:41: error: 'gobject_' was not declared in this scope
make[4]: *** [arc-context.o] Error 1
make[4]: Leaving directory `/build/buildd/inkscape-trunk-0.48+devel+12118+34~raring1/src'
make[3]: *** [all] Error 2
make[3]: Leaving directory `/build/buildd/inkscape-trunk-0.48+devel+12118+34~raring1/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/build/buildd/inkscape-trunk-0.48+devel+12118+34~raring1'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/inkscape-trunk-0.48+devel+12118+34~raring1'

<https://launchpad.net/~inkscape.dev/+archive/trunk/+build/4293238>

The same problem was also reported for Fedora 18 on irc (#inkscape) by jimmac on 2013-02-07:
12:21 * jimmac having trouble building trunk.
12:55 * jimmac is jhbuilding
12:55 jimmac : on f18

(jimmac's fpaste with relevant build log has expired unfortunately)