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[Octave-bug-tracker] [bug #55937] building default with sundials 2.x fai

From: Carlo de Falco
Subject: [Octave-bug-tracker] [bug #55937] building default with sundials 2.x fails in make, configure should disable sundials
Date: Tue, 19 Mar 2019 13:02:13 -0400 (EDT)
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:65.0) Gecko/20100101 Firefox/65.0

Follow-up Comment #7, bug #55937 (project octave):

AFAIK The current situation is: 

Octave 4 and Octave 5  build correctly with any version of sundials 

if sundials is 2.7 ode15 is activated, for any other version it is correctly
detected as non compatible and deactivated

Octave 6 seems to detect correctly either sundials 3 or sundials 4 and seems
to set all flags correctly

last time I tried to build Octave 6 with sundials 2.7, configure detected
sundials as available but then the build failed, which is consistent with your
observation below.

The only thing that definitely needs fixing is the false positive detection of
sundials 2.7 in
Octave 6. Octave 6 should definitely disable ode15 if sundials is older than
version 3.

My further suggestion would be to also drop support for sundials 3 to avoid
extra complications
related to different APIs.


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