I'm assuming something in the petsc4py custom build config is taking precedence over the cross-compile env. Not sure exactly which, though, or why compilation/linking doesn't fail.
petsc4py and slepc4py have the same issue. petsc/slepc are both fine.
Solution to issue cannot be found in the documentation.
Issue
mac arm builds are actually intel (https://conda.anaconda.org/conda-forge/osx-arm64/petsc4py-3.17.1-real_h275bb75_100.tar.bz2):
I'm assuming something in the petsc4py custom build config is taking precedence over the cross-compile env. Not sure exactly which, though, or why compilation/linking doesn't fail.
petsc4py and slepc4py have the same issue. petsc/slepc are both fine.
Installed packages
Environment info