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Re: Pass --build=<triplet> to native builds by default?


From: Ludovic Courtès
Subject: Re: Pass --build=<triplet> to native builds by default?
Date: Sat, 03 Jan 2015 22:01:38 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux)

Mark H Weaver <address@hidden> skribis:

> It turns out that on ARM systems, the result of 'config.guess' depends
> on the result of 'uname -m'.  In other words, details of the kernel (and
> perhaps processor?) on the build machine will determine the triplet of
> our builds, which in turn may affect what set of instructions is used.

Do you know how the ‘uname -m’ output is used in config.guess?  What
does it return on ARM?

Often (always?) config.guess runs the compiler, and I think that’s the
most important source of information that it uses.

Thanks,
Ludo’.



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