From 798429c3cbaf4e828b12c09726f91fe4f73b80c7 Mon Sep 17 00:00:00 2001
From: "Bradley C. Kuszmaul" <bradley@tokutek.com>
Date: Tue, 16 Apr 2013 23:58:57 -0400
Subject: [PATCH] Fixes #2276.  closes[t:2276]

git-svn-id: file:///svn/toku/tokudb@16801 c7de825b-a66e-492c-adef-691d508d4ae1
---
 buildheader/Makefile                | 34 ++++++++++++++++-------------
 buildheader/db.h_4_1                | 15 ++++++++-----
 buildheader/db.h_4_3                | 20 ++++++++++-------
 buildheader/db.h_4_4                | 15 ++++++++-----
 buildheader/db.h_4_5                | 15 ++++++++-----
 buildheader/db.h_4_6                | 15 ++++++++-----
 buildheader/make_db_h.c             | 18 +++++++++++----
 buildheader/sample_offsets_64_4_7.h |  2 ++
 buildheader/tdb.h                   | 11 ++++++----
 db-benchmark-test-cxx/Makefile      |  2 +-
 include/db.h                        | 11 ++++++----
 include/tdb-internal.h              | 16 --------------
 src/ydb-internal.h                  | 16 ++++++++++++++
 src/ydb.c                           | 10 +++++----
 toku_include/Makefile.include       |  5 ++++-
 15 files changed, 124 insertions(+), 81 deletions(-)

diff --git a/buildheader/Makefile b/buildheader/Makefile
index 2112cf3dc68..f1aa770110b 100644
--- a/buildheader/Makefile
+++ b/buildheader/Makefile
@@ -15,7 +15,11 @@ BDB = 4_6
 BDBDIR = ../../../berkeleydb
 MYSQL_H = -I$(BDBDIR)/db-4.1.25/build_unix/
 OPTFLAGS = -O2
-CFLAGS = -Wall -W -Werror -g $(OPTFLAGS)
+ifeq ($(GCCVERSION),4.4.2)
+ GCC_VERSION_SPECIFIC_WARNINGS = -Wno-strict-aliasing -Wno-deprecated 
+endif
+CFLAGS = $(GCC_VERSION_SPECIFIC_WARNINGS) -Wall -W -Werror -g $(OPTFLAGS)
+CPPFLAGS = -I. -I../toku_include
 
 runs: runs_mysql runs_installed
 samples: sample_offsets_4_6 sample_offsets_4_5 sample_offsets_4_4 sample_offsets_4_3 sample_offsets_4_1
@@ -25,60 +29,60 @@ runs_mysql: ./sample_offsets_mysql
 	./sample_offsets_mysql
 runs_installed: sample_offsets
 	./sample_offsets
-sample_offsets_mysql: CPPFLAGS=$(MYSQL_H)
+sample_offsets_mysql: CPPFLAGS+=$(MYSQL_H)
 sample_offsets_mysql: sample_offsets.c
 	$(CC) $(CFLAGS) $(CPPFLAGS) $< -o $@
 
 make_db_h_4_1.o: make_db_h.c sample_offsets_32_4_1.h sample_offsets_64_4_1.h
-	$(CC) $(CFLAGS) -I. -I$(BDBDIR)/db-4.1.25/build_unix $< -c -o $@ -DUSE_MAJOR=4 -DUSE_MINOR=1 -DTDB_NATIVE=0
+	$(CC) $(CFLAGS) $(CPPFLAGS) -I$(BDBDIR)/db-4.1.25/build_unix $< -c -o $@ -DUSE_MAJOR=4 -DUSE_MINOR=1 -DTDB_NATIVE=0
 db.h_4_1: make_db_h_4_1
 	./make_db_h_4_1 > $@
 sample_offsets_4_1: sample_offsets.c
-	$(CC) $(CFLAGS) -I. -I$(BDBDIR)/db-4.1.25/build_unix $< -o $@
+	$(CC) $(CFLAGS) $(CPPFLAGS) -I$(BDBDIR)/db-4.1.25/build_unix $< -o $@
 	./sample_offsets_4_1
 
 make_db_h_4_3.o: make_db_h.c sample_offsets_32_4_3.h sample_offsets_64_4_3.h
-	$(CC) $(CFLAGS) -I. -I$(BDBDIR)/db-4.3.29/build_unix $< -c -o $@ -DUSE_MAJOR=4 -DUSE_MINOR=3 -DTDB_NATIVE=0
+	$(CC) $(CFLAGS) $(CPPFLAGS) -I$(BDBDIR)/db-4.3.29/build_unix $< -c -o $@ -DUSE_MAJOR=4 -DUSE_MINOR=3 -DTDB_NATIVE=0
 db.h_4_3: make_db_h_4_3
 	./make_db_h_4_3 > $@
 sample_offsets_4_3: sample_offsets.c
-	$(CC) $(CFLAGS) -I. -I$(BDBDIR)/db-4.3.29/build_unix $< -o $@
+	$(CC) $(CFLAGS) $(CPPFLAGS) -I$(BDBDIR)/db-4.3.29/build_unix $< -o $@
 	./sample_offsets_4_3
 
 make_db_h_4_4.o: make_db_h.c sample_offsets_32_4_4.h sample_offsets_64_4_4.h
-	$(CC) $(CFLAGS) -I. -I$(BDBDIR)/db-4.4.20/build_unix $< -c -o $@ -DUSE_MAJOR=4 -DUSE_MINOR=4 -DTDB_NATIVE=0
+	$(CC) $(CFLAGS) $(CPPFLAGS) -I$(BDBDIR)/db-4.4.20/build_unix $< -c -o $@ -DUSE_MAJOR=4 -DUSE_MINOR=4 -DTDB_NATIVE=0
 db.h_4_4: make_db_h_4_4
 	./make_db_h_4_4 > $@
 sample_offsets_4_4: sample_offsets.c
-	$(CC) $(CFLAGS) -I. -I$(BDBDIR)/db-4.4.20/build_unix $< -o $@
+	$(CC) $(CFLAGS) $(CPPFLAGS) -I$(BDBDIR)/db-4.4.20/build_unix $< -o $@
 	./sample_offsets_4_4
 
 make_db_h_4_5.o: make_db_h.c sample_offsets_32_4_5.h sample_offsets_64_4_5.h
-	$(CC) $(CFLAGS) -I. -I$(BDBDIR)/db-4.5.20/build_unix $< -c -o $@ -DUSE_MAJOR=4 -DUSE_MINOR=5 -DTDB_NATIVE=0
+	$(CC) $(CFLAGS) $(CPPFLAGS) -I$(BDBDIR)/db-4.5.20/build_unix $< -c -o $@ -DUSE_MAJOR=4 -DUSE_MINOR=5 -DTDB_NATIVE=0
 db.h_4_5: make_db_h_4_5
 	./make_db_h_4_5 > $@
 sample_offsets_4_5: sample_offsets.c
-	$(CC) $(CFLAGS) -I. -I$(BDBDIR)/db-4.5.20/build_unix $< -o $@
+	$(CC) $(CFLAGS) $(CPPFLAGS) -I$(BDBDIR)/db-4.5.20/build_unix $< -o $@
 	./sample_offsets_4_5
 
 make_db_h_4_6.o: make_db_h.c sample_offsets_32_4_6.h sample_offsets_64_4_6.h
-	$(CC) $(CFLAGS) -I. -I$(BDBDIR)/db-4.6.19/build_unix $< -c -o $@ -DUSE_MAJOR=4 -DUSE_MINOR=6 -DTDB_NATIVE=0
+	$(CC) $(CFLAGS) $(CPPFLAGS) -I$(BDBDIR)/db-4.6.19/build_unix $< -c -o $@ -DUSE_MAJOR=4 -DUSE_MINOR=6 -DTDB_NATIVE=0
 db.h_4_6: make_db_h_4_6
 	./make_db_h_4_6 > $@
 sample_offsets_4_6: sample_offsets.c
-	$(CC) $(CFLAGS) -I. -I$(BDBDIR)/db-4.6.19/build_unix $< -o $@
+	$(CC) $(CFLAGS) $(CPPFLAGS) -I$(BDBDIR)/db-4.6.19/build_unix $< -o $@
 	./sample_offsets_4_6
 
 make_tdb_h.o: make_db_h.c
-	$(CC) $(CFLAGS) -I. -I$(BDBDIR)/db-4.6.19/build_unix $< -c -o $@ -DUSE_MAJOR=4 -DUSE_MINOR=6 -DTDB_NATIVE=1
+	$(CC) $(CFLAGS) $(CPPFLAGS) -I$(BDBDIR)/db-4.6.19/build_unix $< -c -o $@ -DUSE_MAJOR=4 -DUSE_MINOR=6 -DTDB_NATIVE=1
 tdb.h: make_tdb_h
 	./make_tdb_h > $@
 
 sample_offsets:
 sample_offsets_local: ./db.h
 sample_offsets_local: sample_offsets.c
-	$(CC) $(CFLAGS) -I. -DLOCAL $< -o $@
- 
+	$(CC) $(CFLAGS) $(CPPFLAGS) -DLOCAL $< -o $@
+
 hfiles: db.h_4_1 db.h_4_3 db.h_4_4 db.h_4_5 db.h_4_6 tdb.h
 
 check32: sample_offsets_local
diff --git a/buildheader/db.h_4_1 b/buildheader/db.h_4_1
index 0f36b074c57..ef6b4b32f9c 100644
--- a/buildheader/db.h_4_1
+++ b/buildheader/db.h_4_1
@@ -37,6 +37,9 @@ typedef int(*YDB_CALLBACK_FUNCTION)(DBT const*, DBT const*, void*);
 typedef int(*YDB_HEAVISIDE_CALLBACK_FUNCTION)(DBT const *key, DBT const *value, void *extra_f, int r_h);
 typedef int(*YDB_HEAVISIDE_FUNCTION)(const DBT *key, const DBT *value, void *extra_h);
 #include <tdb-internal.h>
+#ifndef __BIGGEST_ALIGNMENT__
+  #define __BIGGEST_ALIGNMENT__ 16
+#endif
 typedef struct __toku_db_btree_stat64 {
   u_int64_t bt_nkeys; /* how many unique keys (guaranteed only to be an estimate, even when flattened)          */
   u_int64_t bt_ndata; /* how many key-value pairs (an estimate, but exact when flattened)                       */
@@ -319,11 +322,9 @@ struct txn_stat {
 struct __toku_db_txn {
   DB_ENV *mgrp /*In TokuDB, mgrp is a DB_ENV not a DB_TXNMGR*/; /* 32-bit offset=0 size=4, 64=bit offset=0 size=8 */
   DB_TXN *parent; /* 32-bit offset=4 size=4, 64=bit offset=8 size=8 */
-  struct __toku_db_txn_internal *i;
-#define db_txn_struct_i(x) ((x)->i)
   int (*txn_stat)(DB_TXN *, struct txn_stat **);
   struct { void *next, *prev; } open_txns;
-  void* __toku_dummy0[6];
+  void* __toku_dummy0[7];
   char __toku_dummy1[24];
   void *api_internal; /* 32-bit offset=68 size=4, 64=bit offset=112 size=8 */
   void* __toku_dummy2[1];
@@ -332,6 +333,8 @@ struct __toku_db_txn {
   void* __toku_dummy3[1];
   u_int32_t (*id) (DB_TXN *); /* 32-bit offset=88 size=4, 64=bit offset=152 size=8 */
   void* __toku_dummy4[3]; /* Padding at the end */ 
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define db_txn_struct_i(x) ((struct __toku_db_txn_internal *)(&(x)->iic))
 };
 struct __toku_db_txn_stat {
   void* __toku_dummy0[1];
@@ -344,8 +347,6 @@ struct __toku_db_txn_stat {
 };
 struct __toku_dbc {
   DB *dbp; /* 32-bit offset=0 size=4, 64=bit offset=0 size=8 */
-  struct __toku_dbc_internal *i;
-#define dbc_struct_i(x) ((x)->i)
   int (*c_getf_first)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_last)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_next)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
@@ -363,7 +364,7 @@ struct __toku_dbc {
   int (*c_getf_get_both)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_get_both_range)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_get_both_range_reverse)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
-  void* __toku_dummy0[2];
+  void* __toku_dummy0[3];
   char __toku_dummy1[104];
   int (*c_close) (DBC *); /* 32-bit offset=188 size=4, 64=bit offset=272 size=8 */
   int (*c_count) (DBC *, db_recno_t *, u_int32_t); /* 32-bit offset=192 size=4, 64=bit offset=280 size=8 */
@@ -371,6 +372,8 @@ struct __toku_dbc {
   void* __toku_dummy2[1];
   int (*c_get) (DBC *, DBT *, DBT *, u_int32_t); /* 32-bit offset=204 size=4, 64=bit offset=304 size=8 */
   void* __toku_dummy3[11]; /* Padding at the end */ 
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define dbc_struct_i(x) ((struct __toku_dbc_internal *)(&(x)->iic))
 };
 #ifdef _TOKUDB_WRAP_H
 #define txn_begin txn_begin_tokudb
diff --git a/buildheader/db.h_4_3 b/buildheader/db.h_4_3
index f76185a6153..9e358c2f6fa 100644
--- a/buildheader/db.h_4_3
+++ b/buildheader/db.h_4_3
@@ -37,6 +37,9 @@ typedef int(*YDB_CALLBACK_FUNCTION)(DBT const*, DBT const*, void*);
 typedef int(*YDB_HEAVISIDE_CALLBACK_FUNCTION)(DBT const *key, DBT const *value, void *extra_f, int r_h);
 typedef int(*YDB_HEAVISIDE_FUNCTION)(const DBT *key, const DBT *value, void *extra_h);
 #include <tdb-internal.h>
+#ifndef __BIGGEST_ALIGNMENT__
+  #define __BIGGEST_ALIGNMENT__ 16
+#endif
 typedef struct __toku_db_btree_stat64 {
   u_int64_t bt_nkeys; /* how many unique keys (guaranteed only to be an estimate, even when flattened)          */
   u_int64_t bt_ndata; /* how many key-value pairs (an estimate, but exact when flattened)                       */
@@ -335,11 +338,9 @@ struct txn_stat {
 struct __toku_db_txn {
   DB_ENV *mgrp /*In TokuDB, mgrp is a DB_ENV not a DB_TXNMGR*/; /* 32-bit offset=0 size=4, 64=bit offset=0 size=8 */
   DB_TXN *parent; /* 32-bit offset=4 size=4, 64=bit offset=8 size=8 */
-  struct __toku_db_txn_internal *i;
-#define db_txn_struct_i(x) ((x)->i)
   int (*txn_stat)(DB_TXN *, struct txn_stat **);
   struct { void *next, *prev; } open_txns;
-  void* __toku_dummy0[11];
+  void* __toku_dummy0[12];
   char __toku_dummy1[24];
   void *api_internal; /* 32-bit offset=88 size=4, 64=bit offset=152 size=8 */
   void* __toku_dummy2[2];
@@ -348,6 +349,8 @@ struct __toku_db_txn {
   void* __toku_dummy3[1];
   u_int32_t (*id) (DB_TXN *); /* 32-bit offset=112 size=4, 64=bit offset=200 size=8 */
   void* __toku_dummy4[4]; /* Padding at the end */ 
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define db_txn_struct_i(x) ((struct __toku_db_txn_internal *)(&(x)->iic))
 };
 struct __toku_db_txn_stat {
   void* __toku_dummy0[1];
@@ -360,8 +363,6 @@ struct __toku_db_txn_stat {
 };
 struct __toku_dbc {
   DB *dbp; /* 32-bit offset=0 size=4, 64=bit offset=0 size=8 */
-  struct __toku_dbc_internal *i;
-#define dbc_struct_i(x) ((x)->i)
   int (*c_getf_first)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_last)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_next)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
@@ -379,13 +380,16 @@ struct __toku_dbc {
   int (*c_getf_get_both)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_get_both_range)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_get_both_range_reverse)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
-  char __toku_dummy0[112];
+  void* __toku_dummy0[1];
+  char __toku_dummy1[112];
   int (*c_close) (DBC *); /* 32-bit offset=188 size=4, 64=bit offset=264 size=8 */
   int (*c_count) (DBC *, db_recno_t *, u_int32_t); /* 32-bit offset=192 size=4, 64=bit offset=272 size=8 */
   int (*c_del) (DBC *, u_int32_t); /* 32-bit offset=196 size=4, 64=bit offset=280 size=8 */
-  void* __toku_dummy1[1];
+  void* __toku_dummy2[1];
   int (*c_get) (DBC *, DBT *, DBT *, u_int32_t); /* 32-bit offset=204 size=4, 64=bit offset=296 size=8 */
-  void* __toku_dummy2[10]; /* Padding at the end */ 
+  void* __toku_dummy3[10]; /* Padding at the end */ 
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define dbc_struct_i(x) ((struct __toku_dbc_internal *)(&(x)->iic))
 };
 #ifdef _TOKUDB_WRAP_H
 #define txn_begin txn_begin_tokudb
diff --git a/buildheader/db.h_4_4 b/buildheader/db.h_4_4
index beccc81b033..7b2a2de1d7f 100644
--- a/buildheader/db.h_4_4
+++ b/buildheader/db.h_4_4
@@ -37,6 +37,9 @@ typedef int(*YDB_CALLBACK_FUNCTION)(DBT const*, DBT const*, void*);
 typedef int(*YDB_HEAVISIDE_CALLBACK_FUNCTION)(DBT const *key, DBT const *value, void *extra_f, int r_h);
 typedef int(*YDB_HEAVISIDE_FUNCTION)(const DBT *key, const DBT *value, void *extra_h);
 #include <tdb-internal.h>
+#ifndef __BIGGEST_ALIGNMENT__
+  #define __BIGGEST_ALIGNMENT__ 16
+#endif
 typedef struct __toku_db_btree_stat64 {
   u_int64_t bt_nkeys; /* how many unique keys (guaranteed only to be an estimate, even when flattened)          */
   u_int64_t bt_ndata; /* how many key-value pairs (an estimate, but exact when flattened)                       */
@@ -342,11 +345,9 @@ struct txn_stat {
 struct __toku_db_txn {
   DB_ENV *mgrp /*In TokuDB, mgrp is a DB_ENV not a DB_TXNMGR*/; /* 32-bit offset=0 size=4, 64=bit offset=0 size=8 */
   DB_TXN *parent; /* 32-bit offset=4 size=4, 64=bit offset=8 size=8 */
-  struct __toku_db_txn_internal *i;
-#define db_txn_struct_i(x) ((x)->i)
   int (*txn_stat)(DB_TXN *, struct txn_stat **);
   struct { void *next, *prev; } open_txns;
-  void* __toku_dummy0[14];
+  void* __toku_dummy0[15];
   char __toku_dummy1[8];
   void *api_internal; /* 32-bit offset=84 size=4, 64=bit offset=160 size=8 */
   void* __toku_dummy2[2];
@@ -355,6 +356,8 @@ struct __toku_db_txn {
   void* __toku_dummy3[2];
   u_int32_t (*id) (DB_TXN *); /* 32-bit offset=112 size=4, 64=bit offset=216 size=8 */
   void* __toku_dummy4[5]; /* Padding at the end */ 
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define db_txn_struct_i(x) ((struct __toku_db_txn_internal *)(&(x)->iic))
 };
 struct __toku_db_txn_stat {
   void* __toku_dummy0[1];
@@ -367,8 +370,6 @@ struct __toku_db_txn_stat {
 };
 struct __toku_dbc {
   DB *dbp; /* 32-bit offset=0 size=4, 64=bit offset=0 size=8 */
-  struct __toku_dbc_internal *i;
-#define dbc_struct_i(x) ((x)->i)
   int (*c_getf_first)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_last)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_next)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
@@ -386,7 +387,7 @@ struct __toku_dbc {
   int (*c_getf_get_both)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_get_both_range)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_get_both_range_reverse)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
-  void* __toku_dummy0[2];
+  void* __toku_dummy0[3];
   char __toku_dummy1[104];
   int (*c_close) (DBC *); /* 32-bit offset=188 size=4, 64=bit offset=272 size=8 */
   int (*c_count) (DBC *, db_recno_t *, u_int32_t); /* 32-bit offset=192 size=4, 64=bit offset=280 size=8 */
@@ -394,6 +395,8 @@ struct __toku_dbc {
   void* __toku_dummy2[1];
   int (*c_get) (DBC *, DBT *, DBT *, u_int32_t); /* 32-bit offset=204 size=4, 64=bit offset=304 size=8 */
   void* __toku_dummy3[10]; /* Padding at the end */ 
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define dbc_struct_i(x) ((struct __toku_dbc_internal *)(&(x)->iic))
 };
 #ifdef _TOKUDB_WRAP_H
 #define txn_begin txn_begin_tokudb
diff --git a/buildheader/db.h_4_5 b/buildheader/db.h_4_5
index 0489863153c..e5b0cb0c53a 100644
--- a/buildheader/db.h_4_5
+++ b/buildheader/db.h_4_5
@@ -37,6 +37,9 @@ typedef int(*YDB_CALLBACK_FUNCTION)(DBT const*, DBT const*, void*);
 typedef int(*YDB_HEAVISIDE_CALLBACK_FUNCTION)(DBT const *key, DBT const *value, void *extra_f, int r_h);
 typedef int(*YDB_HEAVISIDE_FUNCTION)(const DBT *key, const DBT *value, void *extra_h);
 #include <tdb-internal.h>
+#ifndef __BIGGEST_ALIGNMENT__
+  #define __BIGGEST_ALIGNMENT__ 16
+#endif
 typedef struct __toku_db_btree_stat64 {
   u_int64_t bt_nkeys; /* how many unique keys (guaranteed only to be an estimate, even when flattened)          */
   u_int64_t bt_ndata; /* how many key-value pairs (an estimate, but exact when flattened)                       */
@@ -343,11 +346,9 @@ struct txn_stat {
 struct __toku_db_txn {
   DB_ENV *mgrp /*In TokuDB, mgrp is a DB_ENV not a DB_TXNMGR*/; /* 32-bit offset=0 size=4, 64=bit offset=0 size=8 */
   DB_TXN *parent; /* 32-bit offset=4 size=4, 64=bit offset=8 size=8 */
-  struct __toku_db_txn_internal *i;
-#define db_txn_struct_i(x) ((x)->i)
   int (*txn_stat)(DB_TXN *, struct txn_stat **);
   struct { void *next, *prev; } open_txns;
-  void* __toku_dummy0[14];
+  void* __toku_dummy0[15];
   char __toku_dummy1[8];
   void *api_internal; /* 32-bit offset=84 size=4, 64=bit offset=160 size=8 */
   void* __toku_dummy2[2];
@@ -356,6 +357,8 @@ struct __toku_db_txn {
   void* __toku_dummy3[2];
   u_int32_t (*id) (DB_TXN *); /* 32-bit offset=112 size=4, 64=bit offset=216 size=8 */
   void* __toku_dummy4[5]; /* Padding at the end */ 
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define db_txn_struct_i(x) ((struct __toku_db_txn_internal *)(&(x)->iic))
 };
 struct __toku_db_txn_stat {
   void* __toku_dummy0[1];
@@ -368,8 +371,6 @@ struct __toku_db_txn_stat {
 };
 struct __toku_dbc {
   DB *dbp; /* 32-bit offset=0 size=4, 64=bit offset=0 size=8 */
-  struct __toku_dbc_internal *i;
-#define dbc_struct_i(x) ((x)->i)
   int (*c_getf_first)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_last)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_next)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
@@ -387,7 +388,7 @@ struct __toku_dbc {
   int (*c_getf_get_both)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_get_both_range)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_get_both_range_reverse)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
-  void* __toku_dummy0[6];
+  void* __toku_dummy0[7];
   char __toku_dummy1[104];
   int (*c_close) (DBC *); /* 32-bit offset=204 size=4, 64=bit offset=304 size=8 */
   int (*c_count) (DBC *, db_recno_t *, u_int32_t); /* 32-bit offset=208 size=4, 64=bit offset=312 size=8 */
@@ -395,6 +396,8 @@ struct __toku_dbc {
   void* __toku_dummy2[1];
   int (*c_get) (DBC *, DBT *, DBT *, u_int32_t); /* 32-bit offset=220 size=4, 64=bit offset=336 size=8 */
   void* __toku_dummy3[10]; /* Padding at the end */ 
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define dbc_struct_i(x) ((struct __toku_dbc_internal *)(&(x)->iic))
 };
 #ifdef _TOKUDB_WRAP_H
 #define txn_begin txn_begin_tokudb
diff --git a/buildheader/db.h_4_6 b/buildheader/db.h_4_6
index 952a0fa2780..fa544d893de 100644
--- a/buildheader/db.h_4_6
+++ b/buildheader/db.h_4_6
@@ -37,6 +37,9 @@ typedef int(*YDB_CALLBACK_FUNCTION)(DBT const*, DBT const*, void*);
 typedef int(*YDB_HEAVISIDE_CALLBACK_FUNCTION)(DBT const *key, DBT const *value, void *extra_f, int r_h);
 typedef int(*YDB_HEAVISIDE_FUNCTION)(const DBT *key, const DBT *value, void *extra_h);
 #include <tdb-internal.h>
+#ifndef __BIGGEST_ALIGNMENT__
+  #define __BIGGEST_ALIGNMENT__ 16
+#endif
 typedef struct __toku_db_btree_stat64 {
   u_int64_t bt_nkeys; /* how many unique keys (guaranteed only to be an estimate, even when flattened)          */
   u_int64_t bt_ndata; /* how many key-value pairs (an estimate, but exact when flattened)                       */
@@ -347,11 +350,9 @@ struct txn_stat {
 struct __toku_db_txn {
   DB_ENV *mgrp /*In TokuDB, mgrp is a DB_ENV not a DB_TXNMGR*/; /* 32-bit offset=0 size=4, 64=bit offset=0 size=8 */
   DB_TXN *parent; /* 32-bit offset=4 size=4, 64=bit offset=8 size=8 */
-  struct __toku_db_txn_internal *i;
-#define db_txn_struct_i(x) ((x)->i)
   int (*txn_stat)(DB_TXN *, struct txn_stat **);
   struct { void *next, *prev; } open_txns;
-  void* __toku_dummy0[15];
+  void* __toku_dummy0[16];
   char __toku_dummy1[8];
   void *api_internal; /* 32-bit offset=88 size=4, 64=bit offset=168 size=8 */
   void* __toku_dummy2[2];
@@ -360,6 +361,8 @@ struct __toku_db_txn {
   void* __toku_dummy3[2];
   u_int32_t (*id) (DB_TXN *); /* 32-bit offset=116 size=4, 64=bit offset=224 size=8 */
   void* __toku_dummy4[5]; /* Padding at the end */ 
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define db_txn_struct_i(x) ((struct __toku_db_txn_internal *)(&(x)->iic))
 };
 struct __toku_db_txn_stat {
   void* __toku_dummy0[2];
@@ -373,8 +376,6 @@ struct __toku_db_txn_stat {
 };
 struct __toku_dbc {
   DB *dbp; /* 32-bit offset=0 size=4, 64=bit offset=0 size=8 */
-  struct __toku_dbc_internal *i;
-#define dbc_struct_i(x) ((x)->i)
   int (*c_getf_first)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_last)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_next)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
@@ -392,7 +393,7 @@ struct __toku_dbc {
   int (*c_getf_get_both)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_get_both_range)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_get_both_range_reverse)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *);
-  void* __toku_dummy0[16];
+  void* __toku_dummy0[17];
   char __toku_dummy1[104];
   int (*c_close) (DBC *); /* 32-bit offset=244 size=4, 64=bit offset=384 size=8 */
   int (*c_count) (DBC *, db_recno_t *, u_int32_t); /* 32-bit offset=248 size=4, 64=bit offset=392 size=8 */
@@ -400,6 +401,8 @@ struct __toku_dbc {
   void* __toku_dummy2[1];
   int (*c_get) (DBC *, DBT *, DBT *, u_int32_t); /* 32-bit offset=260 size=4, 64=bit offset=416 size=8 */
   void* __toku_dummy3[10]; /* Padding at the end */ 
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define dbc_struct_i(x) ((struct __toku_dbc_internal *)(&(x)->iic))
 };
 #ifdef _TOKUDB_WRAP_H
 #define txn_begin txn_begin_tokudb
diff --git a/buildheader/make_db_h.c b/buildheader/make_db_h.c
index 61a7be9b5b1..4461eb3e69e 100644
--- a/buildheader/make_db_h.c
+++ b/buildheader/make_db_h.c
@@ -197,7 +197,9 @@ struct fieldinfo {
 #error
 #endif
 
-void print_struct (const char *structname, int need_internal, struct fieldinfo *fields32, struct fieldinfo *fields64, unsigned int N, const char *extra_decls[]) {
+enum need_internal_type { NO_INTERNAL=0, INTERNAL_NAMED=1, INTERNAL_AT_END=2};
+
+void print_struct (const char *structname, enum need_internal_type need_internal, struct fieldinfo *fields32, struct fieldinfo *fields64, unsigned int N, const char *extra_decls[]) {
     unsigned int i;
     unsigned int current_32 = 0;
     unsigned int current_64 = 0;
@@ -205,6 +207,7 @@ void print_struct (const char *structname, int need_internal, struct fieldinfo *
     int did_toku_internal=0;
 //    int total32 = fields32[N-1].size;
 //    int total64 = fields32[N-1].size;
+    assert(need_internal==NO_INTERNAL || need_internal==INTERNAL_NAMED || need_internal==INTERNAL_AT_END);
     printf("struct __toku_%s {\n", structname);
     for (i=0; i<N-1; i++) {
 	unsigned int this_32 = fields32[i].off;
@@ -217,7 +220,7 @@ void print_struct (const char *structname, int need_internal, struct fieldinfo *
 	    if (diff32!=diff64) {
 		unsigned int diff = diff64-diff32;
 		unsigned int n_dummys = diff/4;
-		if (need_internal && !did_toku_internal) {
+		if (need_internal==INTERNAL_NAMED && !did_toku_internal) {
 		    if (TDB_NATIVE &&
 			(strcmp(structname, "dbc")==0 ||
 			 strcmp(structname, "db_txn")==0)) {
@@ -295,6 +298,11 @@ void print_struct (const char *structname, int need_internal, struct fieldinfo *
 		printf("  /* %d more bytes of alignment in the 64-bit case. */\n", diff64);
 	assert(diff64<8); /* there could be a few left from alignment. */ 
     }
+    if (need_internal==INTERNAL_AT_END) {
+	printf("  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));\n");
+	printf("#define %s_struct_i(x) ((struct __toku_%s_internal *)(&(x)->iic))\n", structname, structname);
+	did_toku_internal = 1;
+    }
     printf("};\n");
     assert(did_toku_internal || !need_internal);
 }
@@ -354,6 +362,8 @@ int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__un
 
     printf("#include <tdb-internal.h>\n");
     
+    printf("#ifndef __BIGGEST_ALIGNMENT__\n  #define __BIGGEST_ALIGNMENT__ 16\n#endif\n");
+
     //stat64
     printf("typedef struct __toku_db_btree_stat64 {\n");
     printf("  u_int64_t bt_nkeys; /* how many unique keys (guaranteed only to be an estimate, even when flattened)          */\n");
@@ -486,7 +496,7 @@ int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__un
             "struct { void *next, *prev; } open_txns",
             NULL,
         };
-	print_struct("db_txn", 1, db_txn_fields32, db_txn_fields64, sizeof(db_txn_fields32)/sizeof(db_txn_fields32[0]), extra);
+	print_struct("db_txn", INTERNAL_AT_END, db_txn_fields32, db_txn_fields64, sizeof(db_txn_fields32)/sizeof(db_txn_fields32[0]), extra);
     }
 
     assert(sizeof(db_txn_stat_fields32)==sizeof(db_txn_stat_fields64));
@@ -515,7 +525,7 @@ int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__un
 			     "int (*c_getf_get_both_range_reverse)(DBC *, u_int32_t, DBT *, DBT *, YDB_CALLBACK_FUNCTION, void *)",
 			     NULL};
 	assert(sizeof(dbc_fields32)==sizeof(dbc_fields64));
-	print_struct("dbc", 1, dbc_fields32, dbc_fields64, sizeof(dbc_fields32)/sizeof(dbc_fields32[0]), extra);
+	print_struct("dbc", INTERNAL_AT_END, dbc_fields32, dbc_fields64, sizeof(dbc_fields32)/sizeof(dbc_fields32[0]), extra);
     }
 
     printf("#ifdef _TOKUDB_WRAP_H\n#define txn_begin txn_begin_tokudb\n#endif\n");
diff --git a/buildheader/sample_offsets_64_4_7.h b/buildheader/sample_offsets_64_4_7.h
index 702db49b977..5153acdeab7 100644
--- a/buildheader/sample_offsets_64_4_7.h
+++ b/buildheader/sample_offsets_64_4_7.h
@@ -11,6 +11,8 @@ struct fieldinfo db_env_fields64[] = {
   {"void *app_private", 216, 8},
   {"void *api1_internal", 224, 8},
   {"int  (*close) (DB_ENV *, u_int32_t)", 408, 8},
+  {"int  (*dbremove) (DB_ENV *, DB_TXN *, const char *, const char *, u_int32_t)", 416, 8},
+  {"int  (*dbrename) (DB_ENV *, DB_TXN *, const char *, const char *, const char *, u_int32_t)", 424, 8},
   {"void (*err) (const DB_ENV *, int, const char *, ...)", 432, 8},
   {"int (*get_cachesize) (DB_ENV *, u_int32_t *, u_int32_t *, int *)", 472, 8},
   {"int (*get_flags) (DB_ENV *, u_int32_t *)", 520, 8},
diff --git a/buildheader/tdb.h b/buildheader/tdb.h
index 9f4b39273fe..73bc160ef97 100644
--- a/buildheader/tdb.h
+++ b/buildheader/tdb.h
@@ -37,6 +37,9 @@ typedef int(*YDB_CALLBACK_FUNCTION)(DBT const*, DBT const*, void*);
 typedef int(*YDB_HEAVISIDE_CALLBACK_FUNCTION)(DBT const *key, DBT const *value, void *extra_f, int r_h);
 typedef int(*YDB_HEAVISIDE_FUNCTION)(const DBT *key, const DBT *value, void *extra_h);
 #include <tdb-internal.h>
+#ifndef __BIGGEST_ALIGNMENT__
+  #define __BIGGEST_ALIGNMENT__ 16
+#endif
 typedef struct __toku_db_btree_stat64 {
   u_int64_t bt_nkeys; /* how many unique keys (guaranteed only to be an estimate, even when flattened)          */
   u_int64_t bt_ndata; /* how many key-value pairs (an estimate, but exact when flattened)                       */
@@ -293,14 +296,14 @@ struct txn_stat {
 struct __toku_db_txn {
   DB_ENV *mgrp /*In TokuDB, mgrp is a DB_ENV not a DB_TXNMGR*/;
   DB_TXN *parent;
-  struct __toku_db_txn_internal ii;
-#define db_txn_struct_i(x) (&(x)->ii)
   int (*txn_stat)(DB_TXN *, struct txn_stat **);
   struct { void *next, *prev; } open_txns;
   void *api_internal;
   int (*abort) (DB_TXN *);
   int (*commit) (DB_TXN*, u_int32_t);
   u_int32_t (*id) (DB_TXN *);
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define db_txn_struct_i(x) ((struct __toku_db_txn_internal *)(&(x)->iic))
 };
 struct __toku_db_txn_stat {
   u_int32_t st_nactive;
@@ -308,8 +311,6 @@ struct __toku_db_txn_stat {
 };
 struct __toku_dbc {
   DB *dbp;
-  struct __toku_dbc_internal ii;
-#define dbc_struct_i(x) (&(x)->ii)
   int (*c_getf_first)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_last)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_next)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
@@ -331,6 +332,8 @@ struct __toku_dbc {
   int (*c_count) (DBC *, db_recno_t *, u_int32_t);
   int (*c_del) (DBC *, u_int32_t);
   int (*c_get) (DBC *, DBT *, DBT *, u_int32_t);
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define dbc_struct_i(x) ((struct __toku_dbc_internal *)(&(x)->iic))
 };
 #ifdef _TOKUDB_WRAP_H
 #define txn_begin txn_begin_tokudb
diff --git a/db-benchmark-test-cxx/Makefile b/db-benchmark-test-cxx/Makefile
index 46714ae226c..92c7871e608 100644
--- a/db-benchmark-test-cxx/Makefile
+++ b/db-benchmark-test-cxx/Makefile
@@ -20,7 +20,7 @@ include $(TOKUROOT)toku_include/Makefile.include
 BENCHDBS = bench.bdb/ bench.tokudb
 
 OPTFLAGS = -O2
-CXXFLAGS = -Wall -Werror -g $(OPTFLAGS) $(GCOV_FLAGS)
+CXXFLAGS = $(GCC_VERSION_SPECIFIC) -Wall -Werror -g $(OPTFLAGS) $(GCOV_FLAGS)
 # CFLAGS += -pg
 
 ifdef BDBDIR
diff --git a/include/db.h b/include/db.h
index 9f4b39273fe..73bc160ef97 100644
--- a/include/db.h
+++ b/include/db.h
@@ -37,6 +37,9 @@ typedef int(*YDB_CALLBACK_FUNCTION)(DBT const*, DBT const*, void*);
 typedef int(*YDB_HEAVISIDE_CALLBACK_FUNCTION)(DBT const *key, DBT const *value, void *extra_f, int r_h);
 typedef int(*YDB_HEAVISIDE_FUNCTION)(const DBT *key, const DBT *value, void *extra_h);
 #include <tdb-internal.h>
+#ifndef __BIGGEST_ALIGNMENT__
+  #define __BIGGEST_ALIGNMENT__ 16
+#endif
 typedef struct __toku_db_btree_stat64 {
   u_int64_t bt_nkeys; /* how many unique keys (guaranteed only to be an estimate, even when flattened)          */
   u_int64_t bt_ndata; /* how many key-value pairs (an estimate, but exact when flattened)                       */
@@ -293,14 +296,14 @@ struct txn_stat {
 struct __toku_db_txn {
   DB_ENV *mgrp /*In TokuDB, mgrp is a DB_ENV not a DB_TXNMGR*/;
   DB_TXN *parent;
-  struct __toku_db_txn_internal ii;
-#define db_txn_struct_i(x) (&(x)->ii)
   int (*txn_stat)(DB_TXN *, struct txn_stat **);
   struct { void *next, *prev; } open_txns;
   void *api_internal;
   int (*abort) (DB_TXN *);
   int (*commit) (DB_TXN*, u_int32_t);
   u_int32_t (*id) (DB_TXN *);
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define db_txn_struct_i(x) ((struct __toku_db_txn_internal *)(&(x)->iic))
 };
 struct __toku_db_txn_stat {
   u_int32_t st_nactive;
@@ -308,8 +311,6 @@ struct __toku_db_txn_stat {
 };
 struct __toku_dbc {
   DB *dbp;
-  struct __toku_dbc_internal ii;
-#define dbc_struct_i(x) (&(x)->ii)
   int (*c_getf_first)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_last)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
   int (*c_getf_next)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
@@ -331,6 +332,8 @@ struct __toku_dbc {
   int (*c_count) (DBC *, db_recno_t *, u_int32_t);
   int (*c_del) (DBC *, u_int32_t);
   int (*c_get) (DBC *, DBT *, DBT *, u_int32_t);
+  char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
+#define dbc_struct_i(x) ((struct __toku_dbc_internal *)(&(x)->iic))
 };
 #ifdef _TOKUDB_WRAP_H
 #define txn_begin txn_begin_tokudb
diff --git a/include/tdb-internal.h b/include/tdb-internal.h
index afbb0d17cdc..ebd8c02475a 100644
--- a/include/tdb-internal.h
+++ b/include/tdb-internal.h
@@ -18,21 +18,5 @@ struct simple_dbt {
     void     *data;
 };
 
-struct __toku_db_txn_internal {
-    //TXNID txnid64; /* A sixty-four bit txn id. */
-    struct tokutxn *tokutxn;
-    struct __toku_lth *lth;  //Hash table holding list of dictionaries this txn has touched
-    u_int32_t flags;
-    DB_TXN *child;
-    struct toku_list dbs_that_must_close_before_abort;
-};
-
-struct __toku_dbc_internal {
-    struct brt_cursor *c;
-    DB_TXN *txn;
-    struct simple_dbt skey_s,sval_s;
-    struct simple_dbt *skey,*sval;
-};
-
 // end of _TDB_INTERNAL_H:
 #endif
diff --git a/src/ydb-internal.h b/src/ydb-internal.h
index cc138640a39..b58e6328012 100644
--- a/src/ydb-internal.h
+++ b/src/ydb-internal.h
@@ -163,4 +163,20 @@ int toku_env_is_panicked(DB_ENV *dbenv);
 void toku_locked_env_err(const DB_ENV * env, int error, const char *fmt, ...) 
                          __attribute__((__format__(__printf__, 3, 4)));
 
+struct __toku_db_txn_internal {
+    //TXNID txnid64; /* A sixty-four bit txn id. */
+    struct tokutxn *tokutxn;
+    struct __toku_lth *lth;  //Hash table holding list of dictionaries this txn has touched
+    u_int32_t flags;
+    DB_TXN *child;
+    struct toku_list dbs_that_must_close_before_abort;
+};
+
+struct __toku_dbc_internal {
+    struct brt_cursor *c;
+    DB_TXN *txn;
+    struct simple_dbt skey_s,sval_s;
+    struct simple_dbt *skey,*sval;
+};
+
 #endif
diff --git a/src/ydb.c b/src/ydb.c
index 4aa861e1b24..c3334387cdb 100644
--- a/src/ydb.c
+++ b/src/ydb.c
@@ -1737,10 +1737,11 @@ static int toku_txn_begin(DB_ENV *env, DB_TXN * stxn, DB_TXN ** txn, u_int32_t f
         return toku_ydb_do_error(env, EINVAL, "DB_ENV->txn_begin: Child transaction isolation level must match parent's isolation level.\n");
     }
 
-    DB_TXN *MALLOC(result);
+    size_t result_size = sizeof(DB_TXN)+sizeof(struct __toku_db_txn_internal); // the internal stuff is stuck on the end.
+    DB_TXN *result = toku_malloc(result_size);
     if (result == 0)
         return ENOMEM;
-    memset(result, 0, sizeof *result);
+    memset(result, 0, result_size);
     //toku_ydb_notef("parent=%p flags=0x%x\n", stxn, flags);
     result->mgrp = env;
     result->abort = locked_txn_abort;
@@ -3599,10 +3600,11 @@ static int toku_db_cursor(DB * db, DB_TXN * txn, DBC ** c, u_int32_t flags, int
     HANDLE_DB_ILLEGAL_WORKING_PARENT_TXN(db, txn);
     if (flags != 0)
         return EINVAL;
-    DBC *MALLOC(result);
+    size_t result_size = sizeof(DBC)+sizeof(struct __toku_dbc_internal); // internal stuff stuck on the end
+    DBC *result = toku_malloc(result_size);
     if (result == 0)
         return ENOMEM;
-    memset(result, 0, sizeof *result);
+    memset(result, 0, result_size);
 #define SCRS(name) result->name = locked_ ## name
     SCRS(c_get);
     SCRS(c_close);
diff --git a/toku_include/Makefile.include b/toku_include/Makefile.include
index 6295ad1fdb1..2b883ac2c1d 100644
--- a/toku_include/Makefile.include
+++ b/toku_include/Makefile.include
@@ -100,7 +100,7 @@ endif
 # -Wno-deprecated is needed on gcc 4.4.2 to make the #ident complaints go away.
 # -Wno-strict-aliasing is needed on gcc 4.4.2 to make certain gratuitous warnings go away.
 ifeq ($(GCCVERSION),4.4.2)
- GCC_VERSION_SPECIFIC = -Wno-strict-aliasing -Wno-deprecated 
+ GCC_VERSION_SPECIFIC = -Wno-deprecated 
 endif
 WALL      = $(GCC_VERSION_SPECIFIC) -Wall -Wextra -Wcast-align -Wbad-function-cast -Wno-missing-noreturn -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
 
@@ -116,6 +116,9 @@ SYMBOLS   = -g3 -ggdb3
 PORTABILITY=
 SKIP_WARNING=
 COMBINE_C = -combine -c
+ifeq ($(GCCVERSION),4.4.2)
+ COMBINE_C += -Wno-strict-aliasing 
+endif
 LIBPORTABILITY        = $(TOKUROOT)lib/libtokuportability.$(AEXT)
 LIBPORTABILITY_BUNDLE = $(TOKUROOT)lib/libtokuportability.bundle