Use double backslashes in build.py
@@ -171,9 +171,8 @@ def _get_compiler_base_options():
matches = _match_output_lines(
stderrlines,
[
- b'^ERROR: No supported gcc/g\+\+ host compiler found, but '
- b'.* is available.$',
-
+ b'^ERROR: No supported gcc/g\\+\\+ host compiler found, '
+ b'but .* is available.$',
b'^ *Use \'nvcc (.*)\' to use that instead.$',
])
if matches is not None:
