diff options
| -rwxr-xr-x | utils/lit/lit/lit.py | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/utils/lit/lit/lit.py b/utils/lit/lit/lit.py index f1f19c4dda..436f8e7a41 100755 --- a/utils/lit/lit/lit.py +++ b/utils/lit/lit/lit.py @@ -411,7 +411,14 @@ def main(): gSiteConfigName = '%s.site.cfg' % opts.configPrefix if opts.numThreads is None: - opts.numThreads = Util.detectCPUs() +# Python <2.5 has a race condition causing lit to always fail with numThreads>1 +# http://bugs.python.org/issue1731717 +# I haven't seen this bug occur with 2.5.2 and later, so only enable multiple +# threads by default there. + if sys.hexversion >= 0x2050200: + opts.numThreads = Util.detectCPUs() + else: + opts.numThreads = 1 inputs = args |