I fixed this, i changed src/build/mac/find_sdk.py to adapt to new version sdk:
line:
sdks = [re.findall('^MacOSX(10\.\d+)\.sdk$', s) for s in os.listdir(sdk_dir)]
changed to
sdks = [re.findall('^MacOSX([0-9]{2}\.\d+)\.sdk$', s) for s in os.listdir(sdk_dir)]