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On Tue, 2010-06-22 at 23:41 +0300, Martin-Éric Racine wrote:
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On Tue, Jun 22, 2010 at 11:27 PM, Gaetan Nadon <<A HREF="mailto:memsize@videotron.ca">memsize@videotron.ca</A>> wrote:
> On Tue, 2010-06-22 at 22:12 +0300, Martin-Éric Racine wrote:
>
> In addition to exiting gracefully with a warning at ./configure time
> if the build host is non-x86, what if we enforced -march=geode if GCC
>
> You may want to look at AX_GCC_X86_CPUID and AX_GCC_ARCHFLAG which would do
> that for you.
> <A HREF="http://www.gnu.org/software/autoconf-archive/The-Macros.html#The-Macros">http://www.gnu.org/software/autoconf-archive/The-Macros.html#The-Macros</A>
Unless I misunderstood the description, these macros guess the target
based on the build host's architecture?
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They use host_cpu (e.g. i*86) first and then look at the cpuid. You might have cross-compiling in mind. <BR>
Generally speaking, there is not much one can do in configure.ac for cross-compiling.
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Martin-Éric
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