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    <br>
    I run 'make' and the result was the same.<br>
    <br>
    Here the content of the folder:<br>
    <br>
    <blockquote><small>callbackfunctions.cpp  Makefile.in              
        matlabjournal.lo<br>
        callbackfunctions.hpp  matlabexception.cpp      
        matlabprogram.cpp<br>
        callbackfunctions.lo   matlabexception.hpp      
        matlabprogram.hpp<br>
        ipopt.cpp              matlabexception.lo       
        matlabprogram.lo<br>
        ipopt.lo               matlabfunctionhandle.cpp  options.cpp<br>
        ipoptoptions.cpp       matlabfunctionhandle.hpp  options.hpp<br>
        ipoptoptions.hpp       matlabfunctionhandle.lo   options.lo<br>
        ipoptoptions.lo        matlabinfo.cpp           
        sparsematrix.cpp<br>
        iterate.cpp            matlabinfo.hpp           
        sparsematrix.hpp<br>
        iterate.hpp            matlabinfo.lo             sparsematrix.lo<br>
        iterate.lo             matlabjournal.cpp<br>
        Makefile               matlabjournal.hpp<br>
      </small></blockquote>
    <br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 17-02-2015 22:08, Tony Kelman wrote:<br>
    </div>
    <blockquote cite="mid:CF8918F22F694C2D8DB95018C8D3E2AE@TKsamsung"
      type="cite">Did you run `make` in the
      Ipopt/contrib/MatlabInterface/src folder? Are you sure there were
      no warnings or errors? matlabexception.o should be compiled from
      matlabexception.cpp, you can see it listed in OBJS. Did you
      configure and compile the rest of Ipopt from the top level first?
      <br>
      <br>
      <br>
      -----Original Message----- From: Gianpaolo Gulletta
      <br>
      Sent: Tuesday, February 17, 2015 2:02 PM
      <br>
      To: Tony Kelman ; <a class="moz-txt-link-abbreviated" href="mailto:ipopt@list.coin-or.org">ipopt@list.coin-or.org</a>
      <br>
      Subject: Re: [Ipopt] Setting up MATLAB interface in Linux 64 bit
      <br>
      <br>
      Hi,
      <br>
      <br>
      Thank you for your reply.
      <br>
      <br>
      Basically, the file does not exist,
      <br>
      Here the answer of `file matlabexception.o`:
      <br>
      matlabexception.o: ERROR: cannot open `matlabexception.o' (No such
      file or directory)
      <br>
      <br>
      so, where should it be? Why do not I have it?
      <br>
      <br>
      Thank you,
      <br>
      <br>
      Gianpaolo Gulletta
      <br>
      <br>
      <br>
      On 17-02-2015 21:34, Tony Kelman wrote:
      <br>
      Well does matlabexception.o exist? If not, then the previous steps
      weren't successful or you didn't run `make` yet. If so, what does
      `file matlabexception.o` say?
      <br>
      <br>
      <br>
      -----Original Message----- From: Gianpaolo Gulletta
      <br>
      Sent: Tuesday, February 17, 2015 1:26 PM
      <br>
      To: <a class="moz-txt-link-abbreviated" href="mailto:ipopt@list.coin-or.org">ipopt@list.coin-or.org</a>
      <br>
      Subject: [Ipopt] Setting up MATLAB interface in Linux 64 bit
      <br>
      <br>
      Hello everybody,
      <br>
      <br>
      I am having issues in compiling the source files in the
      $IPOPTDIR/Ipopt/contrib/MatlabInterface/src folder.
      <br>
      <br>
      Here the Makefile:
      <br>
      &lt;snip&gt;
      <br>
      <br>
      Here the problem:
      <br>
      <br>
      ---------------------------------------------------------------- <br>
      <br>
      Warning: You are using gcc version "4.8.2-19ubuntu1)".  The
      version
      <br>
             currently supported with MEX is "4.4.6".
      <br>
             For a list of currently supported compilers see:
      <br>
             <a class="moz-txt-link-freetext" href="http://www.mathworks.com/support/compilers/current_release/">http://www.mathworks.com/support/compilers/current_release/</a>
      <br>
      <br>
      <br>
        mex:  matlabexception.o  not a normal file or does not exist.
      <br>
      <br>
      make: *** [ipopt.mexa64] Error 1
      <br>
      I have just followed the guide at the link:
      <a class="moz-txt-link-freetext" href="http://www.coin-or.org/Ipopt/documentation/node18.html">http://www.coin-or.org/Ipopt/documentation/node18.html</a> and all the
      previous steps were successful.
      <br>
      <br>
      Can you help me?
      <br>
      <br>
      Thank you,
      <br>
      <br>
      Gianpaolo Gulletta
      <br>
      <br>
      <br>
      <br>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
Gianpaolo Gulletta</pre>
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