Paolo Bonzini wrote: > > - macros defined with AC_DEFUN_IDEMPOTENT are *known* to be expandable > > any number of times, hence they may be both invoked and required, > > > > - macros defined with AC_DEFUN_ONCE are *known* to be expandable only > > once, hence the recommendation for them is to AC_REQUIRE them, > > Do we have any of these? I'd just change AC_DEFUN_ONCE to the meaning > you suggest for AC_DEFUN_IDEMPOTENT
It's too late for doing that: AC_DEFUN_ONCE was introduced on 2004-10-11. Besides that, AC_DEFUN_ONCE and AC_DEFUN_IDEMPOTENT have really opposite semantics. You cannot confuse people more than by using the same name for two entities with opposite semantics. Bruno
