AC_SUBST(REGISTRYD_LIBS)
AC_SUBST(REGISTRYD_CFLAGS)
-PKG_CHECK_MODULES(TESTS, bonobo-activation-2.0 >= 0.9.1 libbonobo-2.0 >= 1.97.0 ORBit-2.0 >= 2.3.94 atk >= 0.2)
+PKG_CHECK_MODULES(TESTS, bonobo-activation-2.0 >= 0.9.1 libbonobo-2.0 >= 1.97.0 ORBit-2.0 >= 2.3.94 atk >= 0.2 gtk+-2.0 >= 1.3.2)
AC_SUBST(TESTS_LIBS)
AC_SUBST(TESTS_CFLAGS)