diff --git a/contrib/intagg/int_aggregate.c b/contrib/intagg/int_aggregate.c
index 4a2e6afdc6..820ec8dd08 100644
--- a/contrib/intagg/int_aggregate.c
+++ b/contrib/intagg/int_aggregate.c
@@ -11,7 +11,8 @@
  * This file is the property of the Digital Music Network (DMN).
  * It is being made available to users of the PostgreSQL system
  * under the BSD license.
- *
+ * 
+ * NOTE: This module requires sizeof(void *) to be the same as sizeof(int)
  */
 #include "postgres.h"
 
@@ -37,6 +38,9 @@
 #include "utils/lsyscache.h"
 
 
+/* Uncomment this define if you are compiling for postgres 7.2.x */
+/* #define PG_7_2 */
+
 /* This is actually a postgres version of a one dimensional array */
 
 typedef struct
@@ -96,7 +100,9 @@ static PGARRAY * GetPGArray(int4 state, int fAdd)
 		p->a.size = cb;
 		p->a.ndim = 0;
 		p->a.flags = 0;
+#ifndef PG_7_2
 		p->a.elemtype = INT4OID;
+#endif
 		p->items = 0;
 		p->lower= START_NUM;
 	}
@@ -149,7 +155,9 @@ static PGARRAY *ShrinkPGArray(PGARRAY *p)
 			pnew->a.size = cb;
 			pnew->a.ndim=1;
 			pnew->a.flags = 0;
+#ifndef PG_7_2
 			pnew->a.elemtype = INT4OID;
+#endif
 			pnew->lower = 0;
 		}
 		else
diff --git a/contrib/intagg/int_aggregate.sql.in b/contrib/intagg/int_aggregate.sql.in
index e08324aead..fcba720f32 100644
--- a/contrib/intagg/int_aggregate.sql.in
+++ b/contrib/intagg/int_aggregate.sql.in
@@ -1,7 +1,7 @@
 -- Drop functions
+drop aggregate int_array_aggregate(int4);
 drop function int_agg_state (int4, int4);
 drop function int_agg_final_array (int4);
-drop aggregate int_array_aggregate(int4);
 drop function int_array_enum (int4[]);
 
 
@@ -9,14 +9,14 @@ drop function int_array_enum (int4[]);
 -- Is called for each item in an aggregation
 create function int_agg_state (int4, int4)
 	returns int4
-	as 'MODULE_FILENAME','int_agg_state'
+	as 'MODULE_PATHNAME','int_agg_state'
 	language 'c';
 
 -- Internal function for the aggregate
 -- Is called at the end of the aggregation, and returns an array.
 create function int_agg_final_array (int4)
 	returns int4[]
-	as 'MODULE_FILENAME','int_agg_final_array'
+	as 'MODULE_PATHNAME','int_agg_final_array'
 	language 'c';
 
 -- The aggration funcion.
@@ -35,6 +35,6 @@ create aggregate int_array_aggregate
 -- as a row.
 create function int_array_enum(int4[])
 	returns setof integer
-	as 'MODULE_FILENAME','int_enum'
+	as 'MODULE_PATHNAME','int_enum'
 	language 'c';