Re: Update to Octave 4.0 for Windows

[Tatsuro MATSUOKA]

----- Original Message -----

> From: PhilipNienhuis 
> To: help-octav
> Cc: 
> Date: 2015/8/6, Thu 17:00
> Subject: Re: Update to Octave 4.0 for Windows
> 
> Y
> NJank wrote
>>  On Wed, Aug 5, 2015 at 12:36 PM, ijourneaux <
> 
>>  ian@
> 
>>  > wrote:
>> 
>>>  I was wondering if there was a procedure to building updated versions 
> of
>>>  Octave 4.0 for Windows? There is a bug fix that Carne implemented wrt
>>>  writing BMP files a couple of weeks ago. The fix required changes to 
> the
>>>  Image package and to Octave itself. I think the latest version on the
>>>  website is from May.
>>> 
>>>  I can probably get myself setup to build it but didn't want to 
> replicate
>>>  the
>>>  effort if there was a system in place to rebuild Octave for Windows
>>>  periodically.
>>>  Ian
>>> 
>>> 
>>  last I checked there is not a completely Windows-oriented rebuild process.
>>  Unless I'm mistaken, most of the available instructions involve
>>  cross-compiling on Linux for Windows. If fix's just result in modified
>>  m-files, they can just be dropped into the proper place in the Octave
>>  folder tree. Other wise, if it a patch that needs to be worked into other
>>  files, those of us not running linux usually just wait for the generous
>>  souls out there to push a new windows version forward. :D
>> 
>>  If you want to either figure out a Windows-only compilation route, or have
>>  a linux platform available to do regular cross compiling, I'm sure no 
> one
>>  would complain if the Windows tree included separate stable and
>>  periodically updated development versions. :)
> 
> Until some time ago (several months at least) it was possible to build
> Octave natively on Windows using MXE. But it took AGES - while a cross-build
> on Linux took ~ 3 hours, a native build on Windows easily took 24 hours or
> more on the same multiboot box.
> 
> AFAIK no one has attempte d native builds lately and it is uncertain if it
> still works.
> 
> Philip


AFAIK, JohnD was successful for windows native build with recent mxe-octave.
He used Msys2 (32bit) and its tools and MinGW w62 32 bit compiler (gcc 4.9.2).

Tatsuro