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#!python
""" Detect bitness (32 or 64) of Mingw-w64 gcc build target on Windows.
"""
import re
from subprocess import run, PIPE
def main():
res = run(['gcc', '-v'], check=True, text=True, capture_output=True)
target = re.search(r'^Target: (.*)$', res.stderr, flags=re.M).groups()[0]
if target.startswith('i686'):
print('32')
elif target.startswith('x86_64'):
print('64')
else:
raise RuntimeError('Could not detect Mingw-w64 bitness')
if __name__ == "__main__":
main()
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