Re: AC_TRY_RUN and cross-compiling (was: Re: ORBit 0.5.8 Cross-Compile problems...)

[Dan Kegel]

Ossama Othman wrote:
> On Mon, Apr 01, 2002 at 09:02:12PM -0800, Dan Kegel wrote:
> > Ossama Othman wrote:
> > > That should certainly be feasible unless there are some bizarre
> > > platforms out there.  In any case, this shouldn't be a problem if
> > > developers use a reasonable "action-if-cross-compiling" argument for
> > > AC_TRY_RUN, such as a compile/link-time test
> >
> > I suppose.  I prefer configure to just fail in that case, myself.
> > I don't want a random, and perhaps incorrect for my platform, default.
> 
> Why?  I'm not suggesting a default value.  I'm suggesting that another
> compile/link-time test be used within the "action-if-cross-compiling"
> AC_TRY_RUN parameter.  With this approach one would fallback on what
> should presumably be a valid compile/link-time test.  The "action"
> could also check if an environment variable is set, too.  It could
> even run a script, for example.  This won't always work, in which case
> your suggestion below would be very useful.

In theory, sure.  However, I've never seen anyone do anything
fancy in the 'if-cross-compiling' case but pick a default.

- Dan