The bsddb3 library does not build w/ Berkeley DB 3.0.  3.1 is the earliest
supported version.
diff --git a/setup.py b/setup.py
index 613c296..046f86d 100644
--- a/setup.py
+++ b/setup.py
@@ -480,11 +480,10 @@
                                 '/sw/include/db4',
                                 '/usr/include/db4',
                                 )},
-            'db3': {'libs': ('db-3.3', 'db-3.2', 'db-3.1', 'db-3.0'),
+            'db3': {'libs': ('db-3.3', 'db-3.2', 'db-3.1'),
                     'libdirs': ('/usr/local/BerkeleyDB.3.3/lib',
                                 '/usr/local/BerkeleyDB.3.2/lib',
                                 '/usr/local/BerkeleyDB.3.1/lib',
-                                '/usr/local/BerkeleyDB.3.0/lib',
                                 '/usr/local/lib',
                                 '/opt/sfw/lib',
                                 '/sw/lib',
@@ -492,7 +491,6 @@
                     'incdirs': ('/usr/local/BerkeleyDB.3.3/include',
                                 '/usr/local/BerkeleyDB.3.2/include',
                                 '/usr/local/BerkeleyDB.3.1/include',
-                                '/usr/local/BerkeleyDB.3.0/include',
                                 '/usr/local/include/db3',
                                 '/opt/sfw/include/db3',
                                 '/sw/include/db3',