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

[Dominique]

For what it's worth, I just tried compiling `armadillo` by hand (i.e., Homebrew is not involved, except that we hope `armadillo` picks up the HDF5 that was installed via Homebrew). It turns out that `tmp/include/armadillo_bits/config.hpp` has
````
#define ARMA_USE_HDF5_ALT
````
but after I run `make`, things change:
````
$ diff tmp/include/armadillo_bits/config.hpp include/armadillo_bits/config.hpp
27c27
< #define ARMA_USE_ARPACK
---
> // #define ARMA_USE_ARPACK
32c32
< #define ARMA_USE_WRAPPER
---
> // #define ARMA_USE_WRAPPER
56,57c56,57
< /* #undef ARMA_USE_ATLAS */
< #define ARMA_ATLAS_INCLUDE_DIR /
---
> // #define ARMA_USE_ATLAS
> // #define ARMA_ATLAS_INCLUDE_DIR /usr/include/
93c93
< #define ARMA_USE_HDF5_ALT
---
> // #define ARMA_USE_HDF5_ALT
98c98
<   #define ARMA_HDF5_INCLUDE_DIR /usr/local/Cellar/hdf5/1.8.14/include/
---
>   // #define ARMA_HDF5_INCLUDE_DIR /usr/include/
171c171
< /* #undef ARMA_USE_EXTERN_CXX11_RNG */
---
>       // #define ARMA_USE_EXTERN_CXX11_RNG
````
Does that make any sense to you?

---
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https://github.com/mlpack/mlpack/issues/403#issuecomment-77492280
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