configure: WARNING:
  You will not be able to create source packages with 'make dist'
  because gtk-doc >= 1.0 is not found.
/var/pisi/libxfce4ui-4.20.2-27/work/libxfce4ui-4.20.2/libxfce4ui/libxfce4ui-enum-types.h:7: syntax error, unexpected identifier in 'G_BEGIN_DECLS' at 'G_BEGIN_DECLS'
libxfce4ui-resources.h:6: Warning: Libxfce4ui: symbol='libxfce4ui_get_resource': Unknown namespace for symbol 'libxfce4ui_get_resource'
libtool: warning: remember to run 'libtool --finish /usr/lib'
libtool: warning: relinking 'libxfce4kbd-private-3.la'
libtool: warning: remember to run 'libtool --finish /usr/lib'
libtool: warning: '../libxfce4ui/libxfce4ui-2.la' has not been installed in '/usr/lib'
libtool: warning: relinking 'libxfce4uiglade2.la'
libtool: warning: remember to run 'libtool --finish /usr/lib/glade/modules'