Issues with Python netsnmp Extension Module on Solaris 10

Version info
$ uname -a
SunOS osswlg1 5.10 Generic_118833-33 sun4u sparc SUNW,Netra-240
$ python -V
Python 2.5.1
net-snmp-5.4.2.1
$ cc -V
cc: Sun C 5.8 Patch 121015-06 2007/10/03

First of all I ran into an error when I tried running "python setup.py
build"
The main issue was that the cc command the build executed did not
include the correct include options to include the net-snmp header
files:
cc -DNDEBUG -O -xcode=pic32 -I/usr/local/include/python2.5 -c netsnmp/
client_intf.c -o build/temp.solaris-2.10-sun4u-2.5/netsnmp/
client_intf.o
"netsnmp/client_intf.c", line 3: cannot find include file: <net-snmp/
net-snmp-config.h>
"netsnmp/client_intf.c", line 4: cannot find include file: <net-snmp/
net-snmp-includes.h>

I manually added the needed include options as follows and the
compilation completed without error (though with many warnings):
cc -DNDEBUG -O -xcode=pic32 -I/usr/local/include/python2.5 -I../
include -c netsnmp/client_intf.c -o build/temp.solaris-2.10-sun4u-2.5/
netsnmp/client_intf.o

At this point I was able to successfully execute "python setup.py
install" as root and it appeared to run as expected without error

The issue I now have is when I try to import the module:
>>> import netsnmp
Traceback (most recent call last):
 File "<stdin>", line 1, in <module>
 File "build/bdist.solaris-2.10-sun4u/egg/netsnmp/__init__.py", line
1, in <module>
 File "build/bdist.solaris-2.10-sun4u/egg/netsnmp/client.py", line 1,
in <module>
 File "build/bdist.solaris-2.10-sun4u/egg/netsnmp/client_intf.py",
line 7, in <module>
 File "build/bdist.solaris-2.10-sun4u/egg/netsnmp/client_intf.py",
line 6, in __bootstrap__
ImportError: ld.so.1: python: fatal: relocation error: file /home/
<redacted>/.python-eggs/netsnmp_python-1.0a1-py2.5-solaris-2.10-
sun4u.egg-tmp/netsnmp/client_intf.so: symbol timersub: referenced
symbol not found

I did a little digging and it looks like timersub is not defined in
Solaris 10. It looks like it may be in Solaris 11
http://kindurl.com/docs.sun.com/timersub-3c-operations-on-timeval and
opensolaris
http://kindurl.com/mail.opensolaris.org/add-timeradd-and-timersub-to

This seems like a pretty standard issue with Solaris as I've found
other libraries that use ifdef to define this function:
http://kindurl.com/src.opensolaris.org/cross-reference-rbridges
http://kindurl.com/cr.opensolaris.org/racoon2-work-framed-sdiff-lib
http://kindurl.com/cr.opensolaris.org/racoon2-work-cdiff-lib-missing

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