--- DBI.cpp~	2003-05-18 08:59:11.000000000 +0300
+++ DBI.cpp	2003-07-24 16:39:02.000000000 +0300
@@ -383,7 +383,11 @@
 	out << "starting transaction for environment \"" << _name << "\"";
     }
     
+#if DB_VERSION_MAJOR >= 4
+    checkBerkeleyDBReturn(dbEnv->txn_begin(dbEnv, 0, &_tid, 0), _errorPrefix, "txn_begin");
+#else
     checkBerkeleyDBReturn(txn_begin(dbEnv, 0, &_tid, 0), _errorPrefix, "txn_begin");
+#endif
 }
 
 Freeze::DBTransactionI::~DBTransactionI()
@@ -415,7 +419,11 @@
 	out << "committing transaction for environment \"" << _name << "\"";
     }
     
+#if DB_VERSION_MAJOR >= 4
+    checkBerkeleyDBReturn(_tid->commit(_tid, 0), _errorPrefix, "txn_commit");
+#else
     checkBerkeleyDBReturn(txn_commit(_tid, 0), _errorPrefix, "txn_commit");
+#endif
 
     _tid = 0;
 }
@@ -440,7 +448,11 @@
 	out << "aborting transaction for environment \"" << _name << "\" due to deadlock";
     }
     
+#if DB_VERSION_MAJOR >= 4
+    checkBerkeleyDBReturn(_tid->abort(_tid), _errorPrefix, "txn_abort");
+#else
     checkBerkeleyDBReturn(txn_abort(_tid), _errorPrefix, "txn_abort");
+#endif
 
     _tid = 0;
 }