[mlpack-git] [mlpack/mlpack] LinearRegression not working on Arch linux 4.6.4.1 (#725)

[Ryan Curtin]

No worries, we are happy to help. :)

I think you said you installed Armadillo via pacman?  Is it possible that you had ATLAS installed at the time you installed Armadillo, but have since removed it?

You can modify your Armadillo configuration in `/usr/include/armadillo_bits/config.hpp` but to be honest it may be the best idea to just remove Armadillo entirely and reinstall (either via pacman or from source).

Armadillo's configuration in `config.hpp` defines which libraries Armadillo tries to use, so if the underlying system changes, then Armadillo needs to be reconfigured.  This may be a bigger issue with the Pacman package that may require some refactoring on the part of the package maintainers...

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