Installation FEniCSx with conda on macOs

installation
1

Dear all,

I am new to using FEniCsx and I am eager to install it using conda.

I have a macOs machine.

Are there already installation guidelines as for legacy FEniCS?

Cheers
Philipp

2

See here.
This is the updated README from a PR that has not been merged yet.

2 Likes
3

Thanks a lot!

However, I will still have to install the c++ core and the dependencies before, isn’t it?

4

No, conda should take care of installation of all dependencies.

1 Like
5

Yes, I had to install “libffi” still via conda install.

Now, it works!

I guess, one should add it to the conda package, no?

6

The missing cffi dependency should be added on conda-forge shortly: dolfinx requires cffi by minrk · Pull Request #13 · conda-forge/fenics-dolfinx-feedstock · GitHub

It’s also missing from dolfinx itself.

1 Like
7

PR for adding it to DOLFINx has been added: Add CFFI to setup.py by jorgensd · Pull Request #2234 · FEniCS/dolfinx · GitHub

8

After an update dolfinx does not work properly anymore. It cannot find the JIT module:

File ~/opt/anaconda3/envs/dolfinx/lib/python3.10/site-packages/ffcx/codegeneration/jit.py:78, in get_cached_module(module_name, object_names, cache_dir, timeout):

ModuleNotFoundError: Unable to find JIT module.

Is anyone here familiar with that problem?
Thanks in advance for your help.

9

Could you try removing ~/.cache/fenics if that is a folder on your computer.

10

thanks a lot! that helped a lot.