Fortran mex function: error LNK2019: unresolved external symbol (dgesv)

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Rick 2016-5-10

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https://ww2.mathworks.cn/matlabcentral/answers/283541-fortran-mex-function-error-lnk2019-unresolved-external-symbol-dgesv

评论： Adithya Addanki 2016-5-26

I can't seem to resolve this. I am using 2015b and trying to use the INTEL precompiled library. I successfully compiled and ran this in VisualStudio. And these are the 3 libraries it showed me it used to link. So I copied them to my working directory in matlab. Here is my mex command:

mex call_lapack.f -lmkl_core_dll.lib -lmkl_intel_c_dll.lib -lmkl_sequential_dll.lib

And I get the unresolved function for dgesv #2019 when it goes to link it.

What can I do ??? TIA for any help....Rick

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Adithya Addanki 2016-5-26

Hi Rick,

As you might have seen this happens in the linking phase. What is the exact output with "-v" flag in the mex command. This may give some more information as to why it is failing to see those linked libraries.

Thank you,

Adithya

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