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Date: Fri, 21 Oct 2011 21:08:46 +0400
From: Vasiliy Kulikov <>
Subject: Re: mpc, gmp, mpfr, gcc .specs

Solar, all -

On Fri, Oct 21, 2011 at 13:00 +0400, Vasiliy Kulikov wrote:
> > Why?  Is this for build-time tests of optional SSE2-specific code that
> > gets compiled in?  Does the installed package nevertheless work on CPUs
> > lacking SSE2?  If these guesses are correct, then can we skip such tests
> > when building on a CPU lacking SSE2, please?
> I'm not sure.  I cannot test it as I have no machine without SSE2 :-) 
> If the lack of SSE2 breaks tests only, is it a sufficient check? -
>     %ifarch %ix86
>     # Test SSE2 libraries only if we either have SSE2 CPU support
>     # or we don't know whether we have it.
>     if ! [ -e /proc/cpuinfo ] || grep -q sse2 /proc/cpuinfo; then
>         cd build-sse2
>         export LD_LIBRARY_PATH=`pwd`/.libs
>         %__make check
>         cd ..
>     fi
>     %endif

Can someone test it?  We need a machine without SSE2 support to (1)
try to build RPM and (2) try to install gmp RPM compiled on another
machine with SSE2 support.


Vasiliy Kulikov - bringing security into open computing environments

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