fatal error LNK1104: cannot open file 'libmx.lib libmat.lib libeng.lib'

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sam 2011-12-7

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/23316-fatal-error-lnk1104-cannot-open-file-libmx-lib-libmat-lib-libeng-lib

Hi, I want to make a dll compiled in Matlab, and then use this dll in VS2010. The function is very simple:

function [y] = sinwave(x)
y = sin(x); 
end;

and MCC works well, produced .dll, .h, .lib files.

But when I compiled a simple program in VS2010,

#include <stdio.h>
#include <math.h>
//#include "vld.h"
#include <stdlib.h>
#include <string.h>
#include "sinwave.h"
#include "mclmcr.h"
#include "mclmcrrt.h"
#include "mclcppclass.h"
void main(void)
{
if (!mclInitializeApplication(NULL,0))
{
  std::cerr << "could not initialize the triangle library properly" << std::endl;
  return;
}
if (!sinwaveInitialize())
{
  std::cerr << "could not initialize the tb library properly" << std::endl;
  return;
}
    sinwaveTerminate();
    mclTerminateApplication();
}  
//an message: LINK : fatal error LNK1104: cannot open file 'libmx.lib libmat.lib libeng.lib' showed.

I added the matlab path extern/lib/win32, win64 to system environment path of my PC, and restart the vs2010.

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回答（2 个）

Kaustubha Govind 2011-12-7

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/23316-fatal-error-lnk1104-cannot-open-file-libmx-lib-libmat-lib-libeng-lib#answer_30615

Are you attempting to link against libmx.lib libmat.lib libeng.lib in your Linker options? I don't think those are needed. You should only need to link against the .lib file generated for your application by MATLAB Compiler.