[petsc-users] problems with petsc4py on M1 mac when configuring PETSc

[Veronika Ulanova]

Hello Satish,

By the repo you mean the main PETSc repository?

Thank you, Veronika

On Fri, Apr 8, 2022 at 9:49 AM Satish Balay <balay at mcs.anl.gov> wrote:

> A fix for M1 was recently pushed to the git repo.
>
> Can you try using it [with either release or main branches] - and see if
> that works?
>
> Satish
>
>
>
> On Fri, 8 Apr 2022, Veronika Ulanova wrote:
>
> > Hi,
> >
> > I have been trying to configure the petsc4py package along with my PETSc
> > installation for my research. I have searched for solutions on the
> internet
> > but there was no luck, this is the error I get when I am trying to
> > configure PETSC and use it to run examples of code that utilise the
> > petsc4py package...
> >
> >
> >
> >  File
> >
> "/Users/veronikaulanova/Documents/documents/Oxford_work/petsc/arch-darwin-c-debug/lib/petsc4py/PETSc.py",
> > line 3, in <module>
> >
> >     PETSc = ImportPETSc(ARCH)
> >
> >   File
> >
> "/Users/veronikaulanova/Documents/documents/Oxford_work/petsc/arch-darwin-c-debug/lib/petsc4py/lib/__init__.py",
> > line 29, in ImportPETSc
> >
> >     return Import('petsc4py', 'PETSc', path, arch)
> >
> >   File
> >
> "/Users/veronikaulanova/Documents/documents/Oxford_work/petsc/arch-darwin-c-debug/lib/petsc4py/lib/__init__.py",
> > line 73, in Import
> >
> >     module = import_module(pkg, name, path, arch)
> >
> >   File
> >
> "/Users/veronikaulanova/Documents/documents/Oxford_work/petsc/arch-darwin-c-debug/lib/petsc4py/lib/__init__.py",
> > line 58, in import_module
> >
> >     with f: return imp.load_module(fullname, f, fn, info)
> >
> >   File "/opt/homebrew/Cellar/python at 3.9
> /3.9.10/Frameworks/Python.framework/Versions/3.9/lib/python3.9/imp.py",
> > line 242, in load_module
> >
> >     return load_dynamic(name, filename, file)
> >
> >   File "/opt/homebrew/Cellar/python at 3.9
> /3.9.10/Frameworks/Python.framework/Versions/3.9/lib/python3.9/imp.py",
> > line 342, in load_dynamic
> >
> >     return _load(spec)
> >
> > ImportError:
> >
> dlopen(/Users/veronikaulanova/Documents/documents/Oxford_work/petsc/arch-darwin-c-debug/lib/petsc4py/lib/arch-darwin-c-debug/
> > PETSc.cpython-39-darwin.so <http://petsc.cpython-39-darwin.so/>, 2): no
> > suitable image found.  Did find:
> >
> >
> /Users/veronikaulanova/Documents/documents/Oxford_work/petsc/arch-darwin-c-debug/lib/petsc4py/lib/arch-darwin-c-debug/
> > PETSc.cpython-39-darwin.so <http://petsc.cpython-39-darwin.so/>: mach-o,
> > but wrong architecture
> >
> >
> /Users/veronikaulanova/Documents/documents/Oxford_work/petsc/arch-darwin-c-debug/lib/petsc4py/lib/arch-darwin-c-debug/
> > PETSc.cpython-39-darwin.so <http://petsc.cpython-39-darwin.so/>: stat()
> > failed with errno=25
> >
> >
> > As you can see I am using an M1 mac and therefore that causes the
> petsc4py
> > package to give me an error (highlighted above), but do you have any idea
> > of how I can solve it or why it is even there? I know that the new M1
> has a
> > different architecture to intel macs but I have no idea of where to
> > start with fixing this or how to make it work. Any help would be much
> > appreciated, thank you in advance.
> >
> > Kind Regards, Veronika
> >
>
>
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