How do I use a matlab shared library without building the main executable with mbuild?

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Tony Kirke 2017-2-16

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https://ww2.mathworks.cn/matlabcentral/answers/325457-how-do-i-use-a-matlab-shared-library-without-building-the-main-executable-with-mbuild

编辑： Tony Kirke 2017-2-21

Hi I'm able to build the shared library fine. However,I'd like to use it in another program and just want to include the header and reference the .dylib file. However, whenever I try that I run into all sorts of issues such as either "Illegal Instruction 4" or Missing .plist file. The latter can be solved but I don't know how to debug/fix the illegal instruction. I don't want to use mbuild because my executable requires a very large number of files with various build options, etc and it's not feasible to build with mbuild. I tried to use mbuild to just build the top level and link in various libraries but also had issues with that. Can Mathworks provide a way to use a simple shared library without requiring mbuild?

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Answer 1

Sangeetha Jayaprakash 2017-2-21

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https://ww2.mathworks.cn/matlabcentral/answers/325457-how-do-i-use-a-matlab-shared-library-without-building-the-main-executable-with-mbuild#answer_255748

I am assuming that you have used the "mcc" MATLAB command to build the shared library from MATLAB(.m) files, and you would like to use this shared library in a C++ project of your own.

You can compile the generated shared library like any other shared C library, using 'gcc'. Refer this link, for steps on achieving this on UNIX:

https://www.mathworks.com/matlabcentral/answers/91803-how-do-i-create-a-c-shared-library-using-matlab-compiler-6-5-r13-and-use-it-with-the-c-application

Similarly, you can achieve the same on OS X.

Also, ensure that you add the following OS X platform-specific folders to your dynamic library path (DYLD_LIBRARY_PATH variable):

matlabroot/runtime/maci64
matlabroot/bin/maci64
matlabroot/sys/os/maci64

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Answer 2

Tony Kirke 2017-2-21

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https://ww2.mathworks.cn/matlabcentral/answers/325457-how-do-i-use-a-matlab-shared-library-without-building-the-main-executable-with-mbuild#answer_255755

编辑：Tony Kirke 2017-2-21

Thanks. When I try to follow this I get

The -t switch is no longer supported; the Compiler no longer generates C/C++ source code for MATLAB functions (it generates wrapper functions instead, see the documenation for -W).

The -L switch is no longer supported; the target (-T) and wrapper (-W) switches determine the language of the generated code.

The -h switch is no longer supported; the MATLAB Compiler detects MATLAB file dependencies automatically. But see also the documentation for the -a switch.

No supported compiler or SDK was found. For options, visit http://www.mathworks.com/support/compilers/R2016a/maci64.html. >>