Update setup.py

Co-authored-by: Copilot <[email protected]>

Author: Grufoony

setup.py

@@ -143,18 +143,12 @@ def build_extension(self, ext: CMakeExtension):
             if tbb_libs:
                 print(f"Found TBB libraries: {tbb_libs}")
                 for lib in tbb_libs:
-                    # We only want the real shared object, not symlinks if possible,
-                    # but copying everything matching the pattern is safer to ensure we get the versioned one.
-                    # However, we need to be careful not to overwrite if multiple matches found.
-                    # Usually we want the one that the linker linked against.
-                    # Since we set RPATH to $ORIGIN (Linux) or @loader_path (macOS), we need the library in the same dir as the extension.
-
-                    # Avoid copying if it's a symlink pointing to something we already copied?
-                    # simpler: just copy all of them.
-                    dest = extdir / lib.name
+                    # Only copy real files, not symlinks. If it's a symlink, copy its target.
+                    target_lib = lib.resolve() if lib.is_symlink() else lib
+                    dest = extdir / target_lib.name
                     if not dest.exists():
-                        shutil.copy2(lib, dest)
-                        print(f"Copied {lib} to {dest}")
+                        shutil.copy2(target_lib, dest, follow_symlinks=True)
+                        print(f"Copied {target_lib} to {dest}")
             else:
                 print("Warning: No TBB shared libraries found to copy.")