[mlpack-git] [mlpack] Building mlpack through homebrew | Errors (#403)

[Saket Choudhary]

I am pretty new to `mlpack` and like everyone else faced a couple of issues getting it up and running.
I find it easier building through [linuxbrew](https://github.com/Homebrew/linuxbrew).

I updated mlpack on `homebrew-science`: https://github.com/Homebrew/homebrew-science/pull/1819

But it seems to be failing on Jenkins. The travis build can be ignored. However even if armadillo is build using `hdf5`, `make tests` reports warnings:

```
[WARN ] Attempted to save HDF5 data to 'test_file.h5', but Armadillo was compiled without HDF5 support.  Save failed.
[WARN ] Attempted to save HDF5 data to 'test_file.hdf5', but Armadillo was compiled without HDF5 support.  Save failed.
[WARN ] Attempted to save HDF5 data to 'test_file.hdf', but Armadillo was compiled without HDF5 support.  Save failed.
[WARN ] Attempted to save HDF5 data to 'test_file.he5', but Armadillo was compiled without HDF5 support.  Save failed.

```

The Jenkins build failure seems to be due to floating point error, but I do not have a Mac to confirm this.


---
Reply to this email directly or view it on GitHub:
https://github.com/mlpack/mlpack/issues/403
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