[petsc-users] OS X Catalina

[Matthew Knepley]

On Thu, Mar 5, 2020 at 7:17 AM Mark Adams <mfadams at lbl.gov> wrote:

> I updated to OS X Catalina and I get this error. I opened Xcode and in
> updated some stuff and I reinstalled mpich with homebrew. Any ideas?
>

The -lSystem library is not where it expects.

Running Executable WITHOUT threads to time it out
Executing: /usr/local/Cellar/mpich/3.3.2/bin/mpif90  -o
/var/folders/sw/67cq0mmx43g93vrb5xkf1j7c0000gn/T/petsc-ZdkBf4/config.setCompilers/conftest

 /var/folders/sw/67cq0mmx43g93vrb5xkf1j7c0000gn/T/petsc-ZdkBf4/config.setCompilers/conftest.o

Possible ERROR while running linker: exit code 1
stderr:
ld: library not found for -lSystem
collect2: error: ld returned 1 exit status
          Error testing Fortran compiler: Cannot compile/link FC with
/usr/local/Cellar/mpich/3.3.2/bin/mpif90.
           MPI installation /usr/local/Cellar/mpich/3.3.2/bin/mpif90 is
likely incorrect.
  Use --with-mpi-dir to indicate an alternate MPI.
            Deleting "FC"

I am guessing the uninstall was not "unny" enough. I have never found
Homebrew an improvement over installing by hand.

  Thanks,

     Matt


> Thanks,
> Mark
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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