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    Carlijn,<br>
    <br>
    Can you share the exact error message you got originally when Matlab
    said the MEX files couldn't be opened? And what versions of Matlab
    and macOS are you running?<br>
    <br>
    Cheers,<br>
    Andrew<br>
    <br>
    <div class="moz-cite-prefix">On 5/28/20 5:43 AM, Boomen, C. van den
      (Carlijn) wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:AM0PR05MB5268698C060191AC4F8915F9898E0@AM0PR05MB5268.eurprd05.prod.outlook.com">
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        Hi,</div>
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        Thank you for the suggestion! Unfortunately, while running
        ft_compile_mex I get the error that several of the source files
        cannot be found (see below). I also tried the alternative way
        (using mex) but then the files can't be found either.</div>
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        Does anyone recognise this problem, and know a solution?</div>
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        Best,</div>
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        Carlijn</div>
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        Report when using ft_compile_mex:</div>
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        <span>Skipping up-to-date MEX file
          compat/matlablt2010b/@uint64/abs<br>
        </span>
        <div>Skipping up-to-date MEX file
          compat/matlablt2010b/@uint64/min<br>
        </div>
        <div>Skipping up-to-date MEX file
          compat/matlablt2010b/@uint64/max<br>
        </div>
        <div>Skipping up-to-date MEX file
          compat/matlablt2010b/@uint64/plus<br>
        </div>
        <div>Skipping up-to-date MEX file
          compat/matlablt2010b/@uint64/minus<br>
        </div>
        <div>Skipping up-to-date MEX file
          compat/matlablt2010b/@uint64/times<br>
        </div>
        <div>Skipping up-to-date MEX file
          compat/matlablt2010b/@uint64/rdivide<br>
        </div>
        <div>Skipping up-to-date MEX file @config/private/deepcopy<br>
        </div>
        <div>Skipping up-to-date MEX file @config/private/increment<br>
        </div>
        <div>Skipping up-to-date MEX file @config/private/setzero<br>
        </div>
        <div>Error: source file for ft_omri_smooth_volume cannot be
          found.<br>
        </div>
        <div>Error: source file for sap2matlab cannot be found.<br>
        </div>
        <div>Error: source file for ft_getopt cannot be found.<br>
        </div>
        <div>Error: source file for read_16bit cannot be found.<br>
        </div>
        <div>Error: source file for read_24bit cannot be found.<br>
        </div>
        <div>Error: source file for lmoutr cannot be found.<br>
        </div>
        <div>Error: source file for ltrisect cannot be found.<br>
        </div>
        <div>Error: source file for plinproj cannot be found.<br>
        </div>
        <div>Error: source file for ptriproj cannot be found.<br>
        </div>
        <div>Error: source file for routlm cannot be found.<br>
        </div>
        <div>Error: source file for solid_angle cannot be found.<br>
        </div>
        <div>Error: source file for rfbevent cannot be found.<br>
        </div>
        <div>Error: source file for meg_leadfield1 cannot be found.<br>
        </div>
        <div>Error: source file for splint_gh cannot be found.<br>
        </div>
        <div>Error: source file for plgndr cannot be found.<br>
        </div>
        <div>Error: source file for ft_spike_sub_crossx cannot be found.<br>
        </div>
        <div>Error: source file for rename cannot be found.<br>
        </div>
        <div>Error: source file for getpid cannot be found.<br>
        </div>
        <div>Error: source file for nanmean cannot be found.<br>
        </div>
        <div>Error: source file for nanstd cannot be found.<br>
        </div>
        <div>Error: source file for nanvar cannot be found.<br>
        </div>
        <div>Error: source file for nansum cannot be found.<br>
        </div>
        <div>Error: source file for nanstd cannot be found.<br>
        </div>
        <div>Error: source file for det2x2 cannot be found.<br>
        </div>
        <div>Error: source file for inv2x2 cannot be found.<br>
        </div>
        <div>Error: source file for mtimes2x2 cannot be found.<br>
        </div>
        <div>Error: source file for sandwich2x2 cannot be found.<br>
        </div>
        <div>Error: source file for combineClusters cannot be found.<br>
        </div>
        <div>Skipping up-to-date MEX file external/fileexchange/CalcMD5<br>
        </div>
        <div>Error: source file for mxSerialize_cpp cannot be found.<br>
        </div>
        <span>Error: source file for mxDeserialize_cpp cannot be found.</span><br>
      </div>
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      <div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt"
          face="Calibri, sans-serif" color="#000000"><b>From:</b>
          fieldtrip <a class="moz-txt-link-rfc2396E" href="mailto:fieldtrip-bounces@science.ru.nl"><fieldtrip-bounces@science.ru.nl></a> on behalf of
          Schoffelen, J.M. (Jan Mathijs)
          <a class="moz-txt-link-rfc2396E" href="mailto:jan.schoffelen@donders.ru.nl"><jan.schoffelen@donders.ru.nl></a><br>
          <b>Sent:</b> 02 May 2020 13:54<br>
          <b>To:</b> FieldTrip discussion list
          <a class="moz-txt-link-rfc2396E" href="mailto:fieldtrip@science.ru.nl"><fieldtrip@science.ru.nl></a><br>
          <b>Subject:</b> [FieldTrip] Fwd: mexmaci64 cannot be opened</font>
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          <div class="">
            <div class="" style="word-wrap:break-word;
              line-break:after-white-space">Hi Carlijn
              <div class=""><br class="">
              </div>
              <div class="">You may want to try and compile the mex
                files from scratch for your OS and Matlab version. There
                is some more documentation on the website about the
                compilation of mex-files (e.g. search for
                ft_compile_mex, or more generally for mex).</div>
              <div class=""><br class="">
              </div>
              <div class="">Best wishes,</div>
              <div class="">Jan-Mathijs</div>
              <div class=""><br class="">
                <div class=""><br class="">
                  <blockquote type="cite" class="">
                    <div class="">On 24 Apr 2020, at 14:39, Boomen, C.
                      van den (Carlijn) <<a
                        href="mailto:C.vandenBoomen@uu.nl" class=""
                        moz-do-not-send="true">C.vandenBoomen@uu.nl</a>>
                      wrote:</div>
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                        Hi all,</div>
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                        I've a new version of MacOS and fieldtrip
                        functions don't seem to work anymore. I get the
                        error that mexmaci64 files cannot be opened.
                        I've looked at the link below, and followed the
                        instructions. However, this only seems to work
                        for running ft_default, but I keep receiving the
                        error for other functions (e.g.
                        ft_preprocessing). Does anyone know what the
                        problem might be, or have an idea for a
                        solution?</div>
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                        <a
href="http://www.fieldtriptoolbox.org/faq/mexmaci64_cannot_be_opened_because_the_developer_cannot_be_verified/"
                          class="" moz-do-not-send="true">http://www.fieldtriptoolbox.org/faq/mexmaci64_cannot_be_opened_because_the_developer_cannot_be_verified/</a><br
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                        Thank you!</div>
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                        Best,</div>
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                        Carlijn</div>
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                            <div class="" style="font-family:Tahoma;
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                                <div class="" style="font-family:Tahoma;
                                  font-size:13px"><font class=""
                                    size="1"><span class=""
                                      style="font-size:10pt">Dr. Carlijn
                                      van den Boomen | Departments of
                                      Developmental and Experimental
                                      Psychology | Utrecht University |
                                      Langeveld Building - room H066 |
                                      Heidelberglaan 1 | 3584 CS Utrecht
                                      | the Netherlands | phone: +31(30)
                                      253 1266 | fax: +31(30) 253 4511</span></font></div>
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                      <span class="" style="font-family:Helvetica;
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                        display:inline!important">_______________________________________________</span><br
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                        display:inline!important">fieldtrip mailing list</span><br
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                      <a
                        href="https://mailman.science.ru.nl/mailman/listinfo/fieldtrip"
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                        moz-do-not-send="true">https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</a><br
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                      <a
                        href="https://doi.org/10.1371/journal.pcbi.1002202"
                        class="" style="font-family:Helvetica;
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                        moz-do-not-send="true">https://doi.org/10.1371/journal.pcbi.1002202</a></div>
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
fieldtrip mailing list
<a class="moz-txt-link-freetext" href="https://mailman.science.ru.nl/mailman/listinfo/fieldtrip">https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</a>
<a class="moz-txt-link-freetext" href="https://doi.org/10.1371/journal.pcbi.1002202">https://doi.org/10.1371/journal.pcbi.1002202</a>
</pre>
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