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juenglinjuenglin
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build: do not add <sys.prefix>/lib to library_dirs twice
build_ext.finalize_options unconditionally appended <sys.prefix>/lib. Skip the append when the directory is already in library_dirs, so a repeated finalize_options call or a pre-populated list does not produce a duplicate -L flag.
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‎cuda_bindings/setup.py‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -37,7 +37,9 @@ def finalize_options(self):
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# library_dirs into the generated sources, and under build isolation
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# sys.prefix is a fresh /tmp/build-env-<random> per build, which
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# defeats sccache's preprocessor cache.
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self.library_dirs.append(os.path.join(sys.prefix, "lib"))
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prefix_lib = os.path.join(sys.prefix, "lib")
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if prefix_lib not in self.library_dirs:
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self.library_dirs.append(prefix_lib)
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def build_extensions(self):
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if nthreads > 0:

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