How to compile mex files using gcc and makefiles

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I want to compile C++ code to mex files with gcc using makefiles. Which options do I have to pass to the compiler for the compiled file to work with Matlab?
How do I choose between "-largeArrayDims" and "-compatibleArrayDims"?
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Walter Roberson
Walter Roberson on 2 May 2016
The only reason to use compatibleArrayDims now is if you are stuck using a pretty old release or you are stuck having to interface a 32 bit program that you cannot update.

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Answers (1)

Dave Behera
Dave Behera on 3 May 2016
According to the documentation at
-compatibleArrayDims — Uses the MATLAB Version 7.2 array-handling API, which limits arrays to 2^31-1 elements. Default option. -largeArrayDims — Uses the MATLAB large-array-handling API. This API handles arrays with more than 2^31-1 elements. Must use this option when calling LAPACK or BLAS functions.

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