[Coin-ipopt] Re: linking IPOPT in VC++ 6.0

[damien at khubla.com]

Sorry, I meant to put this in too, I hit Send too fast.  You don't need to
try and line up the dlls with Cygwin.  The VS 7 C++ compiler (without the
Visual environment) is free from MS, with a pretty much unrestricted
license.

http://msdn.microsoft.com/visualc/vctoolkit2003/

The VS8 one isn't released yet.

Damien

> Hi Guys,
>
> you can't build IPOPT 3.x under Visual Studio 6.  You'll get their famous
> "internal compiler error" on the templates.  I went through all sorts of
> hoops a few weeks ago trying to get this to work.  VS 6 doesn't have the
> latest round of template functionality from the C++ revisions, MS
> deliberately only put them into VS7 and higher to encourage people to
> upgrade.
>
> Damien
>
>> Hallo Michael,
>>
>> I'm copying your message to the mailing list, in case someone else
>> reading
>> this has an idea...
>>
>>> Unfortunately we ran into some troubles, when we tried to install IPOPT
>>> along
>>> with Diffpack.
>>> The reason is that Diffpack is running under Windows using the
>>> Microsoft
>>> VC++
>>> 6.0
>>> compiler.
>>>
>>> As in the ipopt tarball there are just project files for
>>> VisualStudio.net we
>>> tried to
>>> - create the projects in our Visual Studio, compile & link
>>> - create the ipopt library in cygwin (which worked of course) and to
>>> link
>>> against this library in VS
>>> but failed in both cases, due to compilation problems in some template
>>> classes.
>>
>> If you try to hook up Ipopt using the C interface (not the C++
>> interface)
>> it might be easier.  As far as I know, there are ways to build
>> Windows-compatible DLLs in Cygwin (with dlltool or so?) and you cold
>> export the C intreface symbols, but I have to admid that I don't know
>> yet
>> how to do that.  Using the C interface, you wouldn't have to deal with
>> templates etc.
>>
>>> So could you please tell me if there is a chance to compile and link
>>> IPOPT
>>> using MSVC++ 6.0?
>>> Or do you think the problems are caused by incompatibilities of C# and
>>> C++?
>>
>> I have no experience with C#, and our code is not written in C#, it is
>> standard C++.  However, I have never tried to build Ipopt with MSVC++
>> 6.0
>> yet.  If your other code is in C#, again, maybe using the C interface
>> makes it easier to link with Ipopt.  If that doesn't help, could you
>> please send some more details (to the mailing list) on what is going
>> wrong?
>>
>> Schoene Gruesse nach Erlangen,
>>
>> Andreas
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>>
>
>
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