[Buildroot] RFC: kvm-unit-tests use of RDSEED

Matthew Weber matthew.weber at rockwellcollins.com
Thu Dec 7 04:38:12 UTC 2017


All,

On Tue, Dec 5, 2017 at 9:37 PM, Matthew Weber
<matthew.weber at rockwellcollins.com> wrote:
> + Peter
>
> On Tue, Dec 5, 2017 at 9:37 PM, Matthew Weber
> <matthew.weber at rockwellcollins.com> wrote:
>> Got the following failure today where the host compiler is getting
>> invoked during a x86_64 build on GCC20(x86_64 Xeon machine) for a
>> 32bit build.
>> http://autobuild.buildroot.net/results/c39/c3987a3cbd2960b0ff50f872636bdfd8d1a9c820/
>>
>> kvm-unit-tests package looks like they added the use of the rdseed
>> instruction which was introduced in mid 2.22.x binutils.  I'm thinking
>> about sending a patch reverting that commit as it's just a test case.
>> Other option would be a "AT_LEAST" check but we don't have that for
>> binutils, right?
>>
>> Peter, I though of confirming the binutils version on GCC20 ( just to
>> be sure that is what's causing it.)
>>

I requested a GCC20 account so I could test the below patch but
haven't heard back yet.
https://patchwork.ozlabs.org/patch/845422/

Matt


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