Sounds like a path issue. See "paths for running" in the manual:
https://meep.readthedocs.io/en/latest/Build_From_Source/#installation-paths
<https://meep.readthedocs.io/en/latest/Build_From_Source/#installation-paths>
> On Jun 22, 2020, at 10:45 PM, Dhruv Sanagaram <[email protected]>
> wrote:
>
> Hi,
>
> I am Dhruv and I've been trying to execute the script from the MPB Project #1
> on the MEEP tutorials website
> (http://www.simpetus.com/projects.html#mpb_waveguide
> <http://www.simpetus.com/projects.html#mpb_waveguide>) but I've been
> receiving an error message that the library libctlgeom.6.dylib
> cannot be loaded. After typing "locate libctlgeom", I found that there is a
> libctlgeom.7.dylib which comes as part of the anaconda libctl-4.5.0
> installation. I ran the commands ./configure, make and make install in the
> libctil-4.5.0 folder, and executed the script to no avail.
> I'm not sure how I can make the version of libctlgeom from version 7 to 6, so
> if you have any insights, please let me know.
> I've also attached a logfile consisting of my error and the results of the
> locate libctlgeom command below.
>
> Regards,
> Dhruv
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