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MathGroup Archive 2005

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Mathlink

  • To: mathgroup at smc.vnet.net
  • Subject: [mg55977] Mathlink
  • From: "Ryan Tibshirani" <ryantibs at stanford.edu>
  • Date: Wed, 13 Apr 2005 01:10:01 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Hi everyone.
I know that I already sent out an email with this exact question, but I 
didn't get any responses, and I would really appreciate a response of 
any kind.  I pasted below the original question:

I am simply trying to get Mathlink started.  I have installed all of the 
compiler additions, etc. according to the documentation and I am trying 
to run the following code in C++, using Microsoft Visual Studio .NET 
2003:

#include mathlink.h

int main(int argc, char *argv[])
{
 MLENV env;
 MLINK link;
 long errno;

 env = MLInitialize(0);
 link = MLOpenArgv(env, argv, argv+argc, &errno);
 MLActivate(link);

...

But I get the following build errors when I try to compile:

------ Build started: Project: smoothContour, Configuration: Debug Win32 
------

Compiling...
smoothContour.cpp
Linking...
smoothContour.obj : error LNK2019: unresolved external symbol 
_MLConnect@4 referenced in function _main
smoothContour.obj : error LNK2019: unresolved external symbol 
_MLOpenArgv@16 referenced in function _main
smoothContour.obj : error LNK2019: unresolved external symbol 
_MLInitialize@4 referenced in function _main
Debug/smoothContour.exe : fatal error LNK1120: 3 unresolved externals

Build log was saved at "file://c:\Documents and Settings\ryan\My 
Documents\Visual Studio Projects\smoothContour\Debug\BuildLog.htm"
smoothContour - 4 error(s), 0 warning(s)


---------------------- Done ----------------------

    Build: 0 succeeded, 1 failed, 0 skipped

I think that there is something wrong with my settings in Visual Studio. 
 Does anybody have any suggestions?

Thanks very much,
Ryan Tibshirani

Stanford University
Class of 2007



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