Re: Guile FTBFS on hppa - problem in detecting stack direction?

[Greg Troxel]

"Bernhard R. Link" <address@hidden> writes:

> * Carlos O'Donell <address@hidden> [080807 03:41]:
>
> Just because something is part of some ABI is no reason to not try to
> autodetect it. It's an elementary philisophical idea behind autoconf
> (and one of its biggest advantages in my POV) that you do not check for
> the system but for its features[1].
> This allows it to support most new platforms for most programs out of
> the box (and not fail if anything changes anywhere).
>
> There are some reasons to sometimes depart from that rule, when things
> are too hard to check or too subtle to break. But just that this
> information can be deduced from some triplet in alone is no reason at
> all.

Another consideration is being able to do cross builds, and for that one
should avoid AC_TRY_RUN.