On Cygwin running in a Windows 10 64 bits VM which was allocated 4 cores 
and 8 GB RAM, Sage 8.0.rc2 (updated from 8.0.rc0 via git fetch), compiled 
with export PREREQ_OP1TIONS=--with-blas=atlas ; export 
SAGE_ATLAS_LIB=/usr/lib ; export MAKE="make -j4" passes ptestlong with one 
transient failure :
----------------------------------------------------------------------
sage -t --long --warn-long 131.3 
src/sage/algebras/lie_algebras/classical_lie_algebra.py  # Killed due to 
kill signal
----------------------------------------------------------------------
which passes with no failure when ran standalone.

Note : ISTR that the previous attempt, which was successful, used two 
patches that are no longer pointed to by the list of Cygwin-specific open 
patches 
<https://trac.sagemath.org/query?status=needs_info&status=needs_review&status=needs_work&status=new&status=positive_review&keywords=!~cygwin32&component=porting%3A+Cygwin&col=id&col=summary&col=status&col=type&col=priority&col=milestone&col=component&order=priority>,
 
However, I didn't (re-)include an ECL-specific patch 
<https://trac.sagemath.org/ticket/23097>,which I believe to have already 
tested.

It seems to me that Cygwin can now be safely announced as a supported (but 
not yet totally documented ;-) platform, at least for Windows 10 64 bits 
(no idea (no experience) for Win 7/8/8.1 nor 32-bits Windows ; do such 
machines have an interest other than 
gerontological/historic/paleontological ?).

Maybe a paper discussing the three ways to use Sagemath on a 64 bits 
Windows 10 machine (viz VM, Cygwin and WSL) would be in order ? A SageWiki 
page ?

HTH,

--
Emmanuel Charpentier

Le samedi 15 juillet 2017 00:19:52 UTC+2, Volker Braun a écrit :
>
> As always, you can get the latest beta version from the "develop" git 
> branch. Alternatively, the self-contained source tarball is at 
> http://www.sagemath.org/download-latest.html
>
> This is most likely the last release candidate...
>
> b63a0d2 Updated SageMath version to 8.0.rc2
> 44e2b66 Trac #23428: Jupyter doesn't start browser on OSX 10.12.5
> c522ced Updated SageMath version to 8.0.rc1
>
>

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