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Re: more Autotest thoughts

From: Stepan Kasal
Subject: Re: more Autotest thoughts
Date: Fri, 29 Apr 2005 11:38:04 +0200
User-agent: Mutt/1.4.1i

Hi Ralf,

On Fri, Apr 29, 2005 at 10:15:11AM +0200, Ralf Wildenhues wrote:
> The only thing the test suite needs to know is: Can we run executables
> intended for $build at all or not?  This may be found out with
> AC_RUN_IFELSE for once and all, [...]

You don't have to use AC_RUN_IFELSE.  Just ``test $cross_compiling = yes''.

There are cases when cross_compiling = yes, yet you can run the executables,
for example when you have
        --build=i686-pc-gnu --host=i386-pc-gnu
or even
        --build=i686-pc-gnu --host=i686-gnu

But AC_RUN_IFELSE doesn't help you here, since it doesn't even try to run
the executable when cross_compiling = yes.

If you wanted to be absolutely sure, you'd have to try to run an executable
on your own.  But I don't think it's worth it.

Have a nice day,

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