# Calling Intel MKL as an external library on Mac

**URL:** <https://discourse.julialang.org/t/calling-intel-mkl-as-an-external-library-on-mac/33722>\
**Category:** General Usage\
**Tags:** ccall, mkl\
**Created:** [January 24, 2020, 2:44am UTC](https://discourse.julialang.org/t/calling-intel-mkl-as-an-external-library-on-mac/33722 "2020-01-24T02:44:15Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![razvangheorghe](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/razvangheorghe/32/12436_2.png) [@razvangheorghe](https://discourse.julialang.org/u/razvangheorghe)\
**Post date:** [January 24, 2020, 12:46pm UTC](https://discourse.julialang.org/t/calling-intel-mkl-as-an-external-library-on-mac/33722/2 "2020-01-24T12:46:36Z")

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Partly solved by @mkitti. He used the gelsd! definition in lapack.jl to hack a gelss! function together.

> [@On solving sets of linear equations in Fortran vs Julia](https://discourse.julialang.org/t/on-solving-sets-of-linear-equations-in-fortran-vs-julia/33729/10):
>
> I got ZGELSS working in Julia: [https://gist.github.com/mkitti/07a804050d07891e7d63011302246ad9](https://gist.github.com/mkitti/07a804050d07891e7d63011302246ad9)

I’d still like to know what the functions shown in nm are, but I’ll mark it as solved if no one answers in 24h as it’s not really a Julia thing.

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