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fix: ensure MPI & Intel libs found during pip install (keep env vars) #129

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fix: ensure MPI & Intel libs found during pip install (keep env vars) #129

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8 changes: 8 additions & 0 deletions setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -76,8 +76,16 @@ class CustomBuildPy(_build_py, object):
def run(self):
env = {}
env["PATH"] = os.environ["PATH"]
# Ensure that the library paths are set correctly in build environment
for var in ("LD_LIBRARY_PATH", "LIBRARY_PATH"):
if var in os.environ:
env[var] = os.environ[var]
# Check if we are building with MPI support
if self.distribution.no_mpi is None:
env["MPI"] = "1"
# Copy over I_MPI_ROOT for intel MPI builds if it exists
if "I_MPI_ROOT" in os.environ:
env["I_MPI_ROOT"] = os.environ["I_MPI_ROOT"]
# These need to be set so that build_ext uses the right compilers
cc_compiler = subprocess.check_output(["make", "print_CC"]).decode('utf-8').strip()
os.environ["CC"] = cc_compiler
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