2 # Some systems don't have `python3` in their PATH. This isn't supported by x.py directly;
3 # they should use `x` or `x.ps1` instead.
5 # This file is only a "symlink" to bootstrap.py, all logic should go there.
10 # If this is python2, check if python3 is available and re-execute with that
11 # interpreter. Only python3 allows downloading CI LLVM.
13 # This matters if someone's system `python` is python2.
14 if sys.version_info.major < 3:
16 os.execvp("py", ["py", "-3"] + sys.argv)
19 os.execvp("python3", ["python3"] + sys.argv)
21 # Python 3 isn't available, fall back to python 2
24 rust_dir = os.path.dirname(os.path.abspath(__file__))
25 sys.path.append(os.path.join(rust_dir, "src", "bootstrap"))