Created attachment 334748 [details] Build log for python2.7 It happens only with parallel build (some kind of signal switching?), and it happens only with CPython (pypy is fine). ERROR: testHandlerReplacedButCalled (unittest2.test.test_break.TestBreak) ---------------------------------------------------------------------- Traceback (most recent call last): File "/tmp/portage/dev-python/unittest2-0.5.1-r200/work/unittest2-0.5.1-python2_7/lib/unittest2/test/test_break.py", line 136, in testHandlerReplacedButCalled os.kill(pid, signal.SIGINT) File "/tmp/portage/dev-python/unittest2-0.5.1-r200/work/unittest2-0.5.1-python2_7/lib/unittest2/test/test_break.py", line 131, in new_handler handler(frame, signum) File "/tmp/portage/dev-python/unittest2-0.5.1-r200/work/unittest2-0.5.1-python2_7/lib/unittest2/signals.py", line 19, in __call__ self.default_handler(signum, frame) TypeError: 'int' object is not callable
Parallel build isn't supported anymore