[mpich-discuss] cross compiling using mpich

[Jeff Hammond]

On Thursday, April 16, 2015, Rob Latham <robl at mcs.anl.gov> wrote:

>
>
> On 04/16/2015 08:33 AM, Jeff Hammond wrote:
>
>> https://wiki.mpich.org/mpich/index.php/Frequently_Asked_
>> Questions#Q:_Why_can.27t_I_build_MPICH_on_Windows_anymore.3F
>>
>>
> well jeff since you unhelpfully replied to this poor guy with a link to
> the wiki that he already got last week, allow me to be pedantic for a
> moment:  he's not building mpich *on* windows.  he's building mpich *for*
> windows.  *On* linux.
>
>
Is the FAQ precise that building on Windows is the problem, as opposed to
building for Windows? Because I have to believe the issues cannot be
separated. What compiler executes on Linux that can generate Windows
executables? That doesn't even seem remotely feasible, particularly if any
header in MPICH is included from a sub directory, since the slashes will be
wrong on a Linux file system.

I stand by my redundant response unless someone can explain the theory of
how it would work.

Jeff


>
>
>
>  On Wed, Apr 15, 2015 at 12:37 AM, mapalo92 . <mapalo2008 at gmail.com>
>> wrote:
>>
>>> my target is windows and my host is linux
>>>
>>> 2015-04-09 17:07 GMT+03:00 Rob Latham <robl at mcs.anl.gov>:
>>>
>>>>
>>>>
>>>>
>>>> On 04/09/2015 03:33 AM, mapalo92 . wrote:
>>>>
>>>>>
>>>>> Is possible to use mpich in order to cross compile between windows and
>>>>> linux? I tried to built mpich 's libraries using mingw-w64 but nothing
>>>>> done. I got many many errors. Any feedback will be helpful.
>>>>>
>>>>
>>>>
>>>> which is your target and which is your host? If you are building a linux
>>>> target on a windows host, you might be better off setting up a virtual
>>>> machine and doing your cross compilation there.
>>>>
>>>> In general, cross compilation works with mpich: we do it regularly for
>>>> Blue Gene.
>>>>
>>>> ==rob
>>>>
>>>> --
>>>> Rob Latham
>>>> Mathematics and Computer Science Division
>>>> Argonne National Lab, IL USA
>>>>
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>>>
>>>
>>>
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>>
>>
>>
>>
> --
> Rob Latham
> Mathematics and Computer Science Division
> Argonne National Lab, IL USA
> _______________________________________________
> discuss mailing list     discuss at mpich.org
> To manage subscription options or unsubscribe:
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>


-- 
Jeff Hammond
jeff.science at gmail.com
http://jeffhammond.github.io/
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