openblas is not being built in Sage, the system one is detected and used 
after FS#27870. FWIW, building our distro fflas-ffpack package with our 
system openblas works fine.

El sábado, 11 de enero de 2020, 10:00:43 (UTC+1), Dima Pasechnik escribió:
>
> On Sat, Jan 11, 2020 at 8:57 AM Antonio Rojas <[email protected] 
> <javascript:>> wrote: 
> > 
> > I don't think so - I'm pretty sure I've built it successfully after that 
> commit. 
> > 
> please compare the system openblas linkage with the one you build in 
> Sage, and post the outputs of ldd here. 
> I am pretty sure there is an interesting 
> difference, I only don't know which way. 
>
>
> > El sábado, 11 de enero de 2020, 9:25:04 (UTC+1), Dima Pasechnik 
> escribió: 
> >> 
> >> isn't it due to https://trac.sagemath.org/ticket/27444 - which removed 
> >> --disable-openmp from fflas-ffpack flags ? 
> >> see https://trac.sagemath.org/ticket/27444#comment:34 
> >> 
> >> On Sat, Jan 11, 2020 at 7:53 AM Antonio Rojas <[email protected]> 
> wrote: 
> >> > 
> >> > Build fails at fflas-ffpack, log attached. Seems related to FS#27870 
> >> > 
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