Re: Changes in configure for Octave 4.0.1?

[Mike Miller]

On Sun, Mar 27, 2016 at 14:47:27 +0200, José Luis García Pallero wrote:
> Hello:
> 
> I've tried to compile the last Octave 4.0.1 sources and I've obtained
> some errors in the configure step. I use Debian Sid.
> 
> First of all, the shared Lapack library from the repositories
> apparently doesn't work. I obtain the error
> 
> checking for cheev_... no
> checking for cheev_ in -llapack... no
> checking for cheev_ in -llapack_rs6k... no
> configure: error: BLAS and LAPACK libraries are required
> 
> so I need to configure with the option
> --with-lapack=/usr/lib/liblapack.a, i.e., with the static library (I
> obtain the same error with --with-lapack=/usr/lib/liblapack.so)
> 
> I obtain also
> 
> configure: WARNING: qrupdate not found.  The QR & Cholesky updating
> functions will be slow.
> configure: WARNING: CHOLMOD library not found.  This will result in
> some lack of functionality for sparse matrices.
> configure: WARNING: UMFPACK not found.  This will result in some lack
> of functionality for sparse matrices.
> configure: WARNING: ARPACK not found.  The eigs function will be disabled.
> 
> but all these libraries are inatalled from the Debian repositories in
> /usr/lib/x86_64-linux-gnu/ instead of /usr/lib/. I didn't remember my
> last Octave building, but I though it runs

No problems on my Debian stretch. And no problems here:

  https://buildd.debian.org/status/package.php?p=octave&suite=sid

Might be worth looking into config.log to see why it fails to use these
libraries.

-- 
mike