[Dune] Dune on Windows MinGW

[Martin Nolte]

Hi Bernd,

some of the errors were easy to fix. The missing functions mkstemp and close
are slightly more problematic. It seems the header <unistd.h> is present on
MinGW but does not contain close. The function mkstemp should actually be in
<stdlib.h>, but does not seem present either. I guess we simply have to
construct the filename ourselves using, e.g., rand() -- sigh.

Maybe you just open a bug report on this, so we don't forget?

Best,

Martin


On 05/04/2011 09:39 AM, Bernd Flemisch wrote:
> Dear Dune,
> 
> including cmath does not help. cmath is found, but M_PI is still undefined, so
> Bard's comment seems to be appropriate. I grepped for M_PI, it appears only in
> dgfprojectionblock.hh plus in some tests in dune-grid and dune-istl.
> 
> Compiling the temporaryFileName method gives several errors:
> dgfparser.cc:1213:26: error: invalid operands of types 'const char [2]' and 'con
> st char [2]' to binary 'operator+'
> dgfparser.cc:1218:38: error: 'mkstemp' was not declared in this scope
> dgfparser.cc:1221:34: error: 'P_tmpdir' was not declared in this scope
> dgfparser.cc:1228:15: error: 'close' was not declared in this scope
> While I guess that the first one can be easily fixed, the other ones seem to
> be more serious. There is some discussion on the MinGW mailing lists where
> they apparently fix this, but it does not look that easy:
> http://www.mail-archive.com/bug-gnulib@gnu.org/msg17727.html
> 
> Kind regards
> Bernd
> 
> On Wed, 04 May 2011 08:44:52 +0200
>  Oliver Sander <sander at mi.fu-berlin.de> wrote:
>> Hi all!
>>> 2) what exactly is the error in the temroraryFileName method?
>> I remember that after the last Dune meeting Olaf Ippisch spent the
>> time on the train ride properly fixing this issue. However nobody
>> ever managed to make him actually submit the patch to the public.
>>
>> -- 
>> Oliver
>>
>>>
>>> Best
>>> Andreas
>>>
>>> On 03/05/11 17:57, Bernd Flemisch wrote:
>>>> Dear Dune,
>>>>
>>>> I am not sure whether I tell you something new and/or interesting, but
>>>> since I did not find this on the list, I thought I just share it.
>>>>
>>>> I tried to install Dune 2.0 under Windows on top of MinGW,
>>>> http://www.mingw.org/. And it worked almost without modifications. In
>>>> particular, I had to
>>>>
>>>> - define the constant M_PI in dgfprojectionblock.cc line 113.
>>>>
>>>> - change the temroraryFileName method in dgfparser.cc line 1204 (I simply
>>>> return an empty string and comment out the rest).
>>>>
>>>> All core modules of the 2.0 release compile. Only the test in dune-istl
>>>> and the finiteelements test of the dune-grid-howto fail due to missing
>>>> headers sys/timer.h and sys/resource.h. The other grid-howto programs seem
>>>> to run correctly and produce meaningful vtk output.
>>>>
>>>> I did not use any external packages.
>>>>
>>>> Kind regards
>>>> Bernd
>>>>
>>>
>>>
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> 
> ___________________________________________________________
> 
> Bernd Flemisch                     phone: +49 711 685 69162
> IWS, Universitaet Stuttgart          fax: +49 711 685 67020
> Pfaffenwaldring 61        email: bernd at iws.uni-stuttgart.de
> D-70569 Stuttgart        url: www.hydrosys.uni-stuttgart.de
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-- 
Martin Nolte <nolte at mathematik.uni-freiburg.de>

Universität Freiburg                                   phone: +49-761-203-5630
Abteilung für angewandte Mathematik                    fax:   +49-761-203-5632
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