On 2014-08-17, Sudarsan Vasista Srinivasan Ranganathan 
<sudarsanvsr2...@gmail.com> wrote:
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>
> Update: ATLAS did build and here are the stats:
>
> real    531m45.862s
> user    236m20.584s
> sys     96m25.287s
> Successfully installed atlas-3.10.1.20140210
>
> I don't know why it took so long - any other user faced a similar situation 
> before?

building Altas includes tuning, and it can be slow - and Cygwin is slowing it
down quite a bit. Yes, 7 hours is not exceptionally long.

Are you doing a parallel build?


One way to avoid this is to use system-wide Atlas.
(see SAGE_ATLAS_LIB in
"Environment variables" section of the installation manual)


>
> On Friday, August 15, 2014 2:10:22 PM UTC-7, Sudarsan Vasista Srinivasan 
> Ranganathan wrote:
>>
>> Hi,
>>
>> I'm trying to install Sage on cygwin64 with the operating system being 
>> Windows 8.1. I know of the persisting issues along with remedies posted at 
>> http://trac.sagemath.org/wiki/Cygwin64Port#TestingSage5.13onWindows764bitsrunningwithinVirtualBox4.3withCygwin64
>>  
>> but even with the the weak.patch fix #16152 
>> <http://trac.sagemath.org/ticket/16152> for ppl-1.1 my build fails for 
>> reasons that I cannot comprehend. 
>>
>> The log file of the build can be found here: 
>> https://dl.dropboxusercontent.com/u/93147662/ppl-1.1.log 
>>
>> I'd appreciate if help can be provided on this topic. 
>>
>> P. S. I installed mpir-2.7.0.alpha4 which was the only tweak that I've 
>> used so far before this build patch for ppl1.1.
>>
>

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