# Precompilation of MKL failed; no evidence left behind

**URL:** <https://discourse.julialang.org/t/precompilation-of-mkl-failed-no-evidence-left-behind/105958>\
**Category:** Package Management\
**Created:** [November 8, 2023, 4:04pm UTC](https://discourse.julialang.org/t/precompilation-of-mkl-failed-no-evidence-left-behind/105958 "2023-11-08T16:04:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![PetrKryslUCSD](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/petrkryslucsd/32/215825_2.png) [@PetrKryslUCSD](https://discourse.julialang.org/u/PetrKryslUCSD)\
**Post date:** [November 8, 2023, 4:04pm UTC](https://discourse.julialang.org/t/precompilation-of-mkl-failed-no-evidence-left-behind/105958/1 "2023-11-08T16:04:48Z")

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MKL precompilation fails. There is no evidence left behind to debug the issue. How is this sort of thing debugged?

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<div class="post-metadata">

**Author:** ![giordano](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/giordano/32/2166_2.png) [@giordano](https://discourse.julialang.org/u/giordano)\
**Post date:** [November 9, 2023, 2:06am UTC](https://discourse.julialang.org/t/precompilation-of-mkl-failed-no-evidence-left-behind/105958/2 "2023-11-09T02:06:39Z")

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```julia
using MKL

```

Also, what operating system/architecture are you using? MKL is available only on Intel architectures (i686 and x86\_64) and only for some operating systems.