Hi,
indeed, it's a problem with openblas' support of some newer Intel chips, see
https://trac.sagemath.org/ticket/23272

A workaround is to do

$ OPENBLAS_CONFIGURE="TARGET=ATOM" make

(this tells openblas to configure assuming a low-end Intel chips commands 
only)




On Monday, October 2, 2017 at 5:56:33 AM UTC+1, [email protected] wrote:
>
> Hi,
>
> I cloned the current version (as of a few hours ago) of sage from github 
> and tried to build (didn't run config.) Ubuntu 17.04, Intel  i7-7500U, etc. 
> It quit around the openblas part.
>
> Not quite sure how to parse the log---any advice appreciated. Happy to 
> provide further details if needed.
>

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