/usr/bin/vapigen --library=Dbusmenu-0.4 Dbusmenu-0.4.gir
error: Package `GObject-2.0' not found in specified Vala API directories or GObject-Introspection GIR directories
Dbusmenu-0.4.gir:891.7-891.29: warning: Signal `Dbusmenu.Menuitem.child_added' conflicts with method of the same name
      <virtual-method name="child_added">
      ^^^^^^^^^^^^^^^^^^^^^^^
Dbusmenu-0.4.gir:904.7-904.29: warning: Signal `Dbusmenu.Menuitem.child_moved' conflicts with method of the same name
      <virtual-method name="child_moved">
      ^^^^^^^^^^^^^^^^^^^^^^^
Dbusmenu-0.4.gir:920.7-920.33: warning: Signal `Dbusmenu.Menuitem.child_removed' conflicts with method of the same name
      <virtual-method name="child_removed">
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dbusmenu-0.4.gir:987.7-987.31: warning: Virtual method `Dbusmenu.Menuitem.show_to_user' conflicts with method of the same name
      <virtual-method name="show_to_user">
      ^^^^^^^^^^^^^^^^^^^^^^^^^
Dbusmenu-0.4.gir:987.7-987.31: warning: Signal `Dbusmenu.Menuitem.show_to_user' conflicts with method of the same name
      <virtual-method name="show_to_user">
      ^^^^^^^^^^^^^^^^^^^^^^^^^
Generation failed: 1 error(s), 5 warning(s)
Makefile:1098: recipe for target 'Dbusmenu-0.4.vapi' failed
make[3]: *** [Dbusmenu-0.4.vapi] Error 1
make[3]: Leaving directory '/tmp/makepkg/libdbusmenu-gtk2/src/libdbusmenu-12.10.2/libdbusmenu-glib'
Makefile:507: recipe for target 'all' failed
make[2]: *** [all] Error 2
make[2]: Leaving directory '/tmp/makepkg/libdbusmenu-gtk2/src/libdbusmenu-12.10.2/libdbusmenu-glib'
Makefile:418: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/tmp/makepkg/libdbusmenu-gtk2/src/libdbusmenu-12.10.2'
Makefile:348: recipe for target 'all' failed
make: *** [all] Error 2