set beyond size.  Based on patch by John Leitch.

This modifies the behavior of the '-e' flag to PCbuild\build.bat: when '-e'
is not supplied, no attempt will be made to build extension modules that
require external libraries, even if the external libraries are present.

Also adds '--no-<module>' flags to PCbuild\build.bat, where '<module>' is
one of 'ssl', 'tkinter', or 'bsddb', to allow skipping just those modules
(if '-e' is given).

This makes it possible to pass more than 4 tests by name through
Tools\buildbot\test.bat

set beyond size.  Based on patch by John Leitch.

set beyond size.  Based on patch by John Leitch.

The ICC compiler doesn't seem to support defined() in macro expansion. Example
of warning:

warning #3199: "defined" is always false in a macro expansion in Microsoft mode

Reported by John Leitch and Bryce Darling, patch by Raymond Hettinger.

As suggested by Steve Dower and approved by Stefan Krah.

collection) in collections.OrderedDict constructor.

Patch reviewed by Serhiy Storchaka.

Only use it on the most important number. This change fixes also a compiler
warning on modf().

Ensure that the tv_nsec field is set, even if the function fails
with an overflow.

Handle PyCapsule_Import() failure (exception) in PyCodec_NameReplaceErrors():
return immedialty NULL.

Clear PyObject_Str() exception if it failed, ast_error() should not be called
with an exception set.

* Call _Py_CheckFunctionResult() to check for bugs in type
  constructors (tp_new)
* Add assertions to ensure an exception was raised if tp_init failed
  or that no exception was raised if tp_init succeed

Refactor also the function to have less indentation.

The support import is not needed in Python 3.5