[Octave-bug-tracker] [bug #55933] Build errors for dev Octave in mxe-octave due to dropped suppport for Sundials 2.7.0

[John W. Eaton]

Follow-up Comment #13, bug #55933 (project octave):

My intent was to fix the configure script so that building with Sundials 4.x
would work without needing to set CPPFLAGS.  But the test for sundials_klu.h
is failing because it includes <klu.h> but that fails if you only have
<suitesparse/klu.h> in the default include path.  So the configure test
probably can't just be a simple AC_CHECK_HEADER call on sundials_klu.h  If
that fails, it needs to try compiling a program that does


#include <suitesparse/klu.h>
#include <sundials_klu.h>


since that's what we actually do in Octave.  I'll try to come up with a patch
for that.  Then we should be able to drop the CPPFLAGS setting in your change.
 Otherwise, I think your change for mxe-octave looks fine, so could you go
ahead and push it?

Thanks!

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