x86_64-pc-linux-gnu-g++ -DHAVE_CONFIG_H -DG_LOG_DOMAIN=\"libglademm\" -I../../libglade -I../../libglade -I/usr/include/gtkmm-2.4 -I/usr/lib64/gtkmm-2.4/include -I/usr/include/glibmm-2.4 -I/usr/lib64/glibmm-2.4/include -I/usr/include/gdkmm-2.4 -I/usr/lib64/gdkmm-2.4/include -I/usr/include/pangomm-1.4 -I/usr/include/atkmm-1.6 -I/usr/include/gtk-2.0 -I/usr/include/sigc++-2.0 -I/usr/lib64/sigc++-2.0/include -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/lib64/gtk-2.0/include -I/usr/include/pango-1.0 -I/usr/include/cairo -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/atk-1.0 -I/usr/include/libglade-2.0 -I/usr/include/libxml2 -O2 -march=athlon64 -fomit-frame-pointer -pipe -finline-functions -fweb -ffast-math -ftracer -fprefetch-loop-arrays -maccumulate-outgoing-args -floop-optimize2 -MT xml.lo -MD -MP -MF .deps/xml.Tpo -c xml.cc  -fPIC -DPIC -o .libs/xml.o
xml.cc:145: error: no 'GType Gnome::Glade::Xml_Class::lookup_type_vfunc_callback(GladeXML*, const char*)' member function declared in class 'Gnome::Glade::Xml_Class'
make[4]: *** [xml.lo] Error 1
make[4]: Leaving directory `/var/tmp/portage/libglademm-2.6.3/work/libglademm-2.6.3/libglade/libglademm'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/var/tmp/portage/libglademm-2.6.3/work/libglademm-2.6.3/libglade/libglademm'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/var/tmp/portage/libglademm-2.6.3/work/libglademm-2.6.3/libglade'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/var/tmp/portage/libglademm-2.6.3/work/libglademm-2.6.3/libglade'
make: *** [all-recursive] Error 1

!!! ERROR: dev-cpp/libglademm-2.6.3 failed.
Call stack:
  ebuild.sh, line 1546:   Called dyn_compile
  ebuild.sh, line 937:   Called src_compile
  libglademm-2.6.3.ebuild, line 38:   Called gnome2_src_compile
  gnome2.eclass, line 64:   Called die

!!! compile failure
!!! If you need support, post the topmost build error, and the call stack if relevant.