AC_SUBST(TEVENT_OBJ)
AC_SUBST(TEVENT_CFLAGS)
AC_SUBST(TEVENT_LIBS)

AC_CHECK_HEADER(tevent.h,
   [AC_CHECK_LIB(
       tevent,
       tevent_context_init,
       [TEVENT_LIBS="-ltevent -ltalloc"],
       [AC_MSG_ERROR([libtevent missing tevent_context_init])],
       [-ltalloc]) ],
   [PKG_CHECK_MODULES(TEVENT, tevent)],
   )