Fix warning about ptsname not being a prototype on Solaris.  Is this prototype even necessary anymore?

This was the result of inconsistent use of PyMem_* and PyObject_* allocators.
By changing to use PyObject_* allocator almost everywhere, this removes
the inconsistency.

on Alpha (and possibly other platforms) by using Py_CHARMASK().

to load extension modules and now provides the dl module. As a result,
sys.setdlopenflags() now works correctly on these systems. (SF patch
#1454844)

why this breaks on openbsd sometimes.

in 2.4, so put it back.  The string in telnetlib looks like a comment.

soon after because the gmail address it connects to started timing
out on all the buildbot slaves.  Rewrote the test to produce a
warning message (instead of failing) when the address times out.

Also removed the special case for Windows -- this test started to
work on Windows as soon as bug 1462352 was fixed.

Fixes #1462352. Will backport.

Also adds some backwards compatibility when compiling _bsddb.c on earlier
python versions (needed for pybsddb).

This avoids configuring it when it is not build by setup.py.

If RTLD_LOCAL is not #defined in any header file (Windows), set it to 0.
If RTLD_GLOBAL is not #defined, set it equal to RTLD_LOCAL.

This should fix ctypes on cygwin.

on platforms (ppc debian) where 'char' is unsigned.

complaining because it seemed like parameters_iter could be NULL.

Can probably be backported if anyone cares.

No need to INCREF then let PyString_ConcatAndDel() DECREF.  Just
use PyString_Concat().
Handle error condition if we can't concat.