diff options
| -rw-r--r-- | waflib/extras/autowaf.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/waflib/extras/autowaf.py b/waflib/extras/autowaf.py index 51077d18..c28cc1aa 100644 --- a/waflib/extras/autowaf.py +++ b/waflib/extras/autowaf.py @@ -888,9 +888,10 @@ class TestScope: if 'stderr' in kwargs and kwargs['stderr'] == NONEMPTY: # Run with a temp file for stderr and check that it is non-empty import tempfile - with tempfile.TemporaryFile(mode='w') as stderr: + with tempfile.TemporaryFile() as stderr: kwargs['stderr'] = stderr output = self.run(test, **kwargs) + stderr.seek(0, 2) # Seek to end return (output if not output else self.run( lambda: stderr.tell() > 0, |