[Octave-bug-tracker] [bug #55937] building default with sundials 2.x fails in make, configure should disable sundials

[Mike Miller]

Follow-up Comment #16, bug #55937 (project octave):

Really? I specifically tested that, also Debian with SUNDIALS 3.1.2, and
everything seemed to be working for me. Did you see a problem with configure
or only when you run make?

The reason I put the checks in that order was specifically to test for
required features first that may short-circuit the following tests. With your
change, I now get this on a system with SUNDIALS 2.7:


checking for sunlinsol/sunlinsol_klu.h... no
checking for SUNKLU in -lsundials_sunlinsolklu... no
configure: WARNING: SUNDIALS IDA library not configured with SUNLINSOL_KLU or
sunlinksol_klu.h is not usable.  The solvers ode15i and ode15s will not
support the sparse Jacobian feature.
checking for IDASetJacFn... no
checking for IDASetLinearSolver... no
checking for SUNLinSol_Dense... no
checking for SUNLinSol_KLU... no
checking ida/ida_direct.h usability... yes
checking ida/ida_direct.h presence... yes
checking for ida/ida_direct.h... yes
checking ida_direct.h usability... no
checking ida_direct.h presence... no
checking for ida_direct.h... no
checking for IDADlsSetJacFn... no
checking for IDADlsSetLinearSolver... no
checking for SUNDenseLinearSolver... no
checking for SUNKLU... no
checking whether SUNDIALS API provides the necessary functions... no
configure: WARNING: SUNDIALS libraries do not provide an API that is
compatible with Octave.  The solvers ode15i and ode15s will be disabled.


And then again in the configure summary at the end


configure: WARNING: SUNDIALS IDA library not configured with SUNLINSOL_KLU or
sunlinksol_klu.h is not usable.  The solvers ode15i and ode15s will not
support the sparse Jacobian feature.
configure: WARNING: SUNDIALS libraries do not provide an API that is
compatible with Octave.  The solvers ode15i and ode15s will be disabled.


I would really like to avoid these duplicate warnings if we could.

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