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    copied!<p>I originally thought this sounded like a form of torture, but based on the above answer by @user10171136 I actually found it pretty straightforward to cross-compile for Windows mex from Fedora Linux. Fedora has mingw and mingw64 packages, so:</p> <ol> <li><code>sudo yum install mingw64-gcc mingw64-gcc-c++</code></li> <li>Copy over from a Windows Matlab install both the <code>extern/include</code> and <code>bin/win64</code> directories (actually you probably only need a subset of the headers and a small subset of the dlls; <code>libmat.dll libmex.dll libmx.dll</code> might be all you need. I put these two directories into a new <code>R2010a-w64</code> directory under my existing Linux MATLAB directory; change the below commands appropriate for where you stashed the Windows headers and libs.</li> <li>There was one problem I ran into, which is that <code>char16_t</code> was needed in <code>matrix.h</code> and wasn't defined. I guess <code>matrix.h</code> forgot to include <code>uchar.h</code>? I worked around with an <code>-include</code> directive; see below.</li> <li><code>x86_64-w64-mingw32-gcc -m64 -shared -include uchar.h -I/opt/MATLAB/R2010a-w64/extern/include -DMATLAB_MEX_FILE -L/opt/MATLAB/R2010a-w64/bin/win64 -o bla.mexw64 bla.c -lmx -lmex</code></li> <li>(You may need additional libraries for linking, e.g. -lmat -leng -lm, etc.)</li> <li>This successfully generates a mex file that is executable under Windows Matlab for my setup. So far I've only tested this with pretty simple C programs.</li> </ol> <p>Interested to hear if this sounds reasonable; I don't have much experience with cross-compiling.</p>
 

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