run_tests.py: Haiku has no nice().
@@ -171,7 +171,7 @@ if __name__ == '__main__':
backend = Backend.xcode
break
# Running on a developer machine? Be nice!
- if not mesonlib.is_windows() and 'TRAVIS' not in os.environ:
+ if not mesonlib.is_windows() and not mesonlib.is_haiku() and 'TRAVIS' not in os.environ:
os.nice(20)
# Appveyor sets the `platform` environment variable which completely messes
# up building with the vs2010 and vs2015 backends.
