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1if not "PowerPC" in config.root.targets:2 config.unsupported = True3 4import subprocess5 6config.suffixes.add(".py")7 8def get_revision(repo_path):9 cmd = ['git', '-C', repo_path, 'rev-parse', 'HEAD']10 try:11 return subprocess.run(cmd, stdout=subprocess.PIPE, check=True).stdout.decode()12 except Exception as e:13 print("An error occurred retrieving the git revision:", e)14 return None15 16if config.have_vc_rev:17 if config.force_vc_rev:18 git_revision = config.force_vc_rev19 else:20 git_revision = get_revision(config.llvm_src_root)21 if git_revision:22 config.substitutions.append(("git-revision", git_revision))23 config.available_features.add("vc-rev-enabled")24