Introduce a user macro named $(externalsDir), which should point to the root directory of where all the external sources should live.  Developers can change this value if their external sources live elsewhere.  The default of '..\..' matches the current status quo.

is fixed in 3.0.

otherwise be produced.

that exhibit the problem described in issue #2937.

information about the processor on the Debian/alpha
buildbot.  (I'm still trying to track down the cause
of the test_math failures for this machine.)  This
checkin will be reverted within the next 48 hours.

efficiently but with no intermediate loss of precision.  Based on
Raymond Hettinger's ASPN recipe.  Thanks Jean Brouwers for the patch.

Also let it pass when invoked directly

IA64 and PA machines.

The ctypes unittests work fine on the IA64, but dump core in
test_qsort on the PA.

Fixed: #2914 (RFE for UTC support in TimedRotatingFileHandler) and #2929 (wrong filename used to delete old log files).

Patch by Graham Horler.