MATLAB COMPILER RELEASE NOTES User's Guide download pdf (Page 345)

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External Interfaces/API

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Compatibility Considerations

If you distribute MEX-files that call BLAS or LAPACK functions built on a Compaq

Visual Fortran compiler, you must also distribute the libdflapack.dll and

libdfblas.dll library files.

If MATLAB displays errors when loading a MEX-file and the Dependency Walker

indicates missing libdflapack.dll and/or libdfblas.dll libraries, contact the

MEX-file vendor for copies of the libraries. The third-party product, Dependency Walker,

is available from the Web site http://www.dependencywalker.com/.

Cannot Create MEX-Files with DLL File Extension

On Windows 32-bit platforms, support for MEX-files with a .dll file extension is being

phased out. Use the .mexw32 extension instead.

MATLAB Version 7.10 will continue to execute .dll MEX-files, but future versions of

MATLAB will not support the .dll extension. You can no longer use the mex function -

output switch to create MEX-files with a .dll extension. If you enter a command such

as:

mex myfile.c -output newfile.dll

MATLAB creates the MEX-file newfile.mexw32 and displays a warning message.

For more information about MEX-files with .dll extensions, see Running MEX-Files

with .DLL File Extensions on Windows 32-bit Platforms.

Compatibility Considerations

Recompile MEX-files with .dll file extensions. Update MATLAB scripts or makefiles

that explicitly specify .dll extensions for compiled MEX-files.

If you use MEX-files with a .dll extension from a third-party source, contact that

vendor to get a recompiled version, referring to these release notes.

-largeArrayDims Option to MEX Will Become Default in Next Release of

MATLAB

In the next release of MATLAB, the default mex command will change to use the large-

array-handling API. This means the -largeArrayDims option will become the default.

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