forked from OSchip/llvm-project
41 lines
1.1 KiB
INI
41 lines
1.1 KiB
INI
import subprocess
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def getRoot(config):
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if not config.parent:
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return config
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return getRoot(config.parent)
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def is_gold_linker_available():
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if not config.gold_executable:
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return False
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try:
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ld_cmd = subprocess.Popen([config.gold_executable, '--help'], stdout = subprocess.PIPE)
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ld_out = ld_cmd.stdout.read().decode()
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ld_cmd.wait()
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except:
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return False
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if not '-plugin' in ld_out:
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return False
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# config.clang is not guaranteed to be just the executable!
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clang_cmd = subprocess.Popen(" ".join([config.clang, '-fuse-ld=gold', '-xc', '-']),
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shell=True,
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universal_newlines = True,
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stdin = subprocess.PIPE,
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stdout = subprocess.PIPE,
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stderr = subprocess.PIPE)
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clang_err = clang_cmd.communicate('int main() { return 0; }')[1]
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if not 'invalid linker' in clang_err:
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return True
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return False
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root = getRoot(config)
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if root.host_os not in ['Linux'] or not is_gold_linker_available():
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config.unsupported = True
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