Again, thanks for the information, and I'll try to fix this this evening. Things are still in flux with my refactoring efforts. I may not be finished until early next week. I need to create 1 shared library for each external language that SConstruct builds that requires linkage with an external language library (e.g. libpython23.a, liblua50.a). I also am not sure where to put the file building code and what to do about interrupting performances from the API.

I think I will push the performance interrupting stuff down into the "C" API anyway.

Regards,
Mike

-----Original Message-----
From: Victor Lazzarini 
Sent: Oct 28, 2005 10:50 AM
To: csound-devel@lists.sourceforge.net
Subject: Re: [Cs-dev] interfaces lib building in windows with MSVC

I hit another problem:
filebuilding.cpp gives out an error message:

C:\Program Files\Microsoft Visual Studio\vc98\include\math.h(514) : error 
C2894: templates cannot be declared to have 'C' linkage

I had this problem before and I seemed to be able to fix it just by moving 
the order
of the headers include directives, but I can't seem to be able to do it now.

My suspicion is that in csound.h, everything is wrapped in extern "C",
including #include sysdep.h, which in turn does #include math.h and
I had a look at the MSVC header and it has a little C++ section
where it declares a template:


#ifdef  __cplusplus
}

#if     !defined(_M_M68K)

template inline
         _Ty _Pow_int(_Ty _X, int _Y)
         {unsigned int _N;
         if (_Y >= 0)
                 _N = _Y;
         else
                 _N = -_Y;
         for (_Ty _Z = _Ty(1); ; _X *= _X)
                 {if ((_N & 1) != 0)
                         _Z *= _X;
                 if ((_N >>= 1) == 0)
                         return (_Y < 0 ? _Ty(1) / _Z : _Z); }}


Now because this is wrapped up in the extern "C" from csound.h,
the compiler doesn't like it.

I moved the sysdep.h declaration (and everything around it) to
outside the extern "C" and now it compiles. Can someone move
it out for me? I can't commit my Windows changes because CVS+ssh
does not work in this machine (long battle with my system administrator...)

But then I'm getting lots of errors now from CppCsound.h. I notice that
it is now using boost. So there needs to be a check for boost to
be added in SConstruct.

Would it be possible to do it without using boost? It's a terribly big
library to build and it would be nice not to have to depend on it. The
code I built a couple of days ago did not use it.

Victor


At 15:13 28/10/2005, you wrote:
>Thanks for the information, I will try to take care of this tonight.
>
>Regards,
>Mike
>
>-----Original Message-----
>From: Victor Lazzarini 
>Sent: Oct 28, 2005 7:01 AM
>To: csound-devel@lists.sourceforge.net
>Subject: [Cs-dev] interfaces lib building in windows with MSVC
>
>I am now just trying to make the interfaces lib build on
>Windows with MSVC. I have swig and it is creating the
>pyhton_interface_wrap.c
>
>My problem is that MSVC does not have a long long type.
>I don't know much about SWIG *.i files. Is it possible for
>someone (Michael?)  to add some lines to the *.i files, so
>that you have something like #ifdef MSVC don't use
>long long
>
>This is the compilation error:
>interfaces\python_interface_wrap.c(1871) : error C2632: 'long' followed by
>'long' is illegal
>
>Thanks
>
>Victor
>
>Victor Lazzarini
>Music Technology Laboratory
>Music Department
>National University of Ireland, Maynooth
>
>
>
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Victor Lazzarini
Music Technology Laboratory
Music Department
National University of Ireland, Maynooth 



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Michael Gogins wrote:

> I also am not sure where to put the file building code and what to do about
 > interrupting performances from the API.
> 
> I think I will push the performance interrupting stuff down into the "C" API anyway.

What do you exactly mean by interrupting performance from the API ?


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