Major problem ImportError FFCX

[dokken]

Dear @pierremrtt,
What error message do you get when removing the “cached” form file at:

@pierremrtt

FileExistsError: [Errno 17] File exists: '/Users/pierremariotti/.cache/fenics/libffcx_forms_8ff3a977f949229519a3cca1fb86ddf3d3d6c342.c'

Looking further at your error message, it looks related to:

Duplicate LC_RPATH errors on macOS 15.4 Sequoia

After upgrading to macOS 15.4 recently, I am not able to run fenicsx-based codes. I get a lot of dlopen errors regarding duplicate LC_RPATH entries. I installed via conda originally. **ImportError** : dlopen(/Users/bosmacs/.cache/fenics/libffcx_forms_2776970e29d8246dcb3b0507cb5e1b1509b9e159.cpython-313-darwin.so, 0x0002): tried: '/Users/bosmacs/.cache/fenics/libffcx_forms_2776970e29d8246dcb3b0507cb5e1b1509b9e159.cpython-313-darwin.so' (duplicate LC_RPATH '/Users/bosmacs/Repos/dh-solver/.pixi/en…

See the suggested resolution in the post:

Duplicate LC_RPATH errors on macOS 15.4 Sequoia

status update: libgfortran is fixed if you have libgfortran5=14.* This should be the default for most folks with recently updated or created envs, but if your env hasn’t had an update in a while, conda update libgfortran5 should do it The linker has been fixed to turn these duplicate rpaths into warnings (as the new default Apple linker has been doing since xcode 15), so if you update ld64 to at least build 6 (ld64=951.9=h4c6efb1_6 on mac arm) So in short, an env should be fixed with: mamba …