Re: SUNDIALS with IDAKLU unclear warning message

[John W. Eaton]

On 01/06/2017 05:15 PM, Mike Miller wrote:
> On Fri, Jan 06, 2017 at 17:04:44 -0500, John W. Eaton wrote:
> > Yes, if it is enabled by whoever builds the Debian package.  It seems to be
> > disabled by default, even when the necessary dependencies are available.
> >
> > I had to configure sundials-2.7.0 with
> >
> >   cmake -DKLU_ENABLE=ON -DKLU_INCLUDE_DIR=/usr/include/suitesparse
> > -DKLU_LIBRARY_DIR=/usr/x86_64-linux-gnu SRCDIR
> >
> > to make it work on my system.
>
> Ah, thank you. So it has to be both new enough *and* configured with
> KLU_ENABLE, got it.

Yes, it seems that just providing the include and library directories is 
not enough.  And, just setting -DKLU_ENABLE=ON is not enough, I guess 
because sundials doesn't look for suitesparse/foo.h?

> I still think it would help to explictly mention the IDAKLU function
> name, to help with discovery when this message appears, for those like
> me who don't know what's going on.

Yeah, seems fine to fix the message as you suggested.

jwe