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Re: running tests when cross-compiling

From: Coleman Kane
Subject: Re: running tests when cross-compiling
Date: Wed, 11 Feb 2009 15:18:29 -0500

On Wed, 2009-02-11 at 18:11 +0100, Vadim Zeitlin wrote:
>  Hello,
>  Configure is smart enough to not try to run the tests when cross-compiling
> which is usually, of course, the right thing to do. However in some
> situations you can actually run the program even when cross-compiling: the
> example which matters to me is when you cross-compile from Cygwin to
> mingw32 but I could imagine that this could happen in some other situations
> too, e.g. when you have an emulator for the target host on the build system
> (this could happen when developing for embedded systems I suppose).
>  Hence my question: is it possible to somehow indicate to configure that it
> can run the binaries even when it's (formally) cross-compiling? I'd like to
> avoid having to hard code the Cygwin->mingw32 exception in my own version
> of AC_TRY_RUN() both because of maintenance considerations and because this
> is not really specific to AC_TRY_RUN(), even if this happens to be the only
> place where I run into this problem now.
>  Thanks in advance for any suggestions,
> VZ

Another potentially useful place for such a feature would be, for
example, if I am cross-compiling on FreeBSD to a Linux target and I can
run binaries because of the kernel-mode emulation layer (linux.ko module
in this example).

Coleman Kane

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