[petsc-users] undefined reference to `petsc_allreduce_ct_th'

[Aaron Scheinberg]

Hello,

I'm getting this error when linking:

undefined reference to `petsc_allreduce_ct_th'

The instances are regular MPI_Allreduces in my code that are not located in
parts of the code related to PETSc, so I'm wondering what is happening to
involve PETSc here? Can I configure it to avoid that? I consulted google,
the FAQ and skimmed other documentation but didn't see anything. Thanks!

Aaron
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