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adding mpicc system path of setup.py #243

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adding mpicc system path of setup.py #243

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13 changes: 12 additions & 1 deletion setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,18 @@
import mpi4py

conf = mpi4py.get_config()
os.environ["CC"] = conf["mpicc"]

# Check if "mpicc" is in the mpi4py configuration
if "mpicc" in conf:
os.environ["CC"] = conf["mpicc"]
else:
# Fallback: manually set CC to the path of the mpicc compiler
mpicc_path = os.popen('which mpicc').read().strip()
if mpicc_path:
os.environ["CC"] = mpicc_path
else:
raise KeyError("'mpicc' not found in mpi4py configuration, and 'mpicc' not found in system path. "
"Ensure MPI is installed and 'mpicc' is available.")

# PETSc version check - 3.16 or higher
from petsc4py import PETSc
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