Crate openblas_src

Source of BLAS and LAPACK via OpenBLAS.

The usage of the package is explained here.

The following Cargo features are supported:

• cblas to build CBLAS (enabled by default),
• lapacke to build LAPACKE (enabled by default),
• static to link to OpenBLAS statically, and
• system to skip building the bundled OpenBLAS.