Changes in configure for Octave 4.0.1?

[José Luis García Pallero]

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

Thanks

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José Luis García Pallero
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Use Debian GNU/Linux and enjoy!
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