--- /dev/null
+diff --git a/ext/dba/config.m4 b/ext/dba/config.m4
+index 8dc8f1d..4269b1c 100644
+--- a/ext/dba/config.m4
++++ b/ext/dba/config.m4
+@@ -83,16 +83,16 @@ PHP_ARG_WITH(ndbm,,
+ [ --with-ndbm[=DIR] DBA: NDBM support], no, no)
+
+ PHP_ARG_WITH(db4,,
+-[ --with-db4[=DIR] DBA: Berkeley DB4 support], no, no)
++[ --with-db4[=DIR] DBA: Oracle Berkeley DB 4.x or 5.x support], no, no)
+
+ PHP_ARG_WITH(db3,,
+-[ --with-db3[=DIR] DBA: Berkeley DB3 support], no, no)
++[ --with-db3[=DIR] DBA: Oracle Berkeley DB 3.x support], no, no)
+
+ PHP_ARG_WITH(db2,,
+-[ --with-db2[=DIR] DBA: Berkeley DB2 support], no, no)
++[ --with-db2[=DIR] DBA: Oracle Berkeley DB 2.x support], no, no)
+
+ PHP_ARG_WITH(db1,,
+-[ --with-db1[=DIR] DBA: Berkeley DB1 support/emulation], no, no)
++[ --with-db1[=DIR] DBA: Oracle Berkeley DB 1.x support/emulation], no, no)
+
+ PHP_ARG_WITH(dbm,,
+ [ --with-dbm[=DIR] DBA: DBM support], no, no)
+@@ -210,7 +210,7 @@ AC_DEFUN([PHP_DBA_DB_CHECK],[
+ ],[
+ AC_EGREP_CPP(yes,[
+ #include "$THIS_INCLUDE"
+-#if DB_VERSION_MAJOR == $1
++#if DB_VERSION_MAJOR == $1 || ($1 == 4 && DB_VERSION_MAJOR == 5)
+ yes
+ #endif
+ ],[
+@@ -233,7 +233,7 @@ AC_DEFUN([PHP_DBA_DB_CHECK],[
+ AC_MSG_CHECKING([for DB4 minor version and patch level])
+ AC_EGREP_CPP(yes,[
+ #include "$THIS_INCLUDE"
+-#if DB_VERSION_MINOR != 1 || DB_VERSION_PATCH >= 25
++#if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR != 1) || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 1 && DB_VERSION_PATCH >= 25)
+ yes
+ #endif
+ ],[
+@@ -274,12 +274,25 @@ AC_DEFUN([PHP_DBA_DB_CHECK],[
+ # DB4
+ if test "$PHP_DB4" != "no"; then
+ PHP_DBA_STD_BEGIN
+- dbdp="/usr/local/BerkeleyDB.4."
+- for i in $PHP_DB4 ${dbdp}8 ${dbdp}7 ${dbdp}6 ${dbdp}5 ${dbdp}4 ${dbdp}3 ${dbdp}2 ${dbdp}1 ${dbdp}0 /usr/local /usr; do
+- if test -f "$i/db4/db.h"; then
++ dbdp4="/usr/local/BerkeleyDB.4."
++ dbdp5="/usr/local/BerkeleyDB.5."
++ for i in $PHP_DB4 ${dbdp5}1 ${dbdp5}0 ${dbdp4}8 ${dbdp4}7 ${dbdp4}6 ${dbdp4}5 ${dbdp4}4 ${dbdp4}3 ${dbdp4}2 ${dbdp4}1 ${dbdp}0 /usr/local /usr; do
++ if test -f "$i/db5/db.h"; then
++ THIS_PREFIX=$i
++ THIS_INCLUDE=$i/db5/db.h
++ break
++ elif test -f "$i/db4/db.h"; then
+ THIS_PREFIX=$i
+ THIS_INCLUDE=$i/db4/db.h
+ break
++ elif test -f "$i/include/db5.1/db.h"; then
++ THIS_PREFIX=$i
++ THIS_INCLUDE=$i/include/db5.1/db.h
++ break
++ elif test -f "$i/include/db5.0/db.h"; then
++ THIS_PREFIX=$i
++ THIS_INCLUDE=$i/include/db5.0/db.h
++ break
+ elif test -f "$i/include/db4.8/db.h"; then
+ THIS_PREFIX=$i
+ THIS_INCLUDE=$i/include/db4.8/db.h
+@@ -314,7 +327,7 @@ if test "$PHP_DB4" != "no"; then
+ break
+ fi
+ done
+- PHP_DBA_DB_CHECK(4, db-4.8 db-4.7 db-4.6 db-4.5 db-4.4 db-4.3 db-4.2 db-4.1 db-4.0 db-4 db4 db, [(void)db_create((DB**)0, (DB_ENV*)0, 0)])
++ PHP_DBA_DB_CHECK(4, db-5.1 db-5.0 db-4.8 db-4.7 db-4.6 db-4.5 db-4.4 db-4.3 db-4.2 db-4.1 db-4.0 db-4 db4 db, [(void)db_create((DB**)0, (DB_ENV*)0, 0)])
+ fi
+ PHP_DBA_STD_RESULT(db4,Berkeley DB4)
+
+diff --git a/ext/dba/dba_db4.c b/ext/dba/dba_db4.c
+index 6bf0095..a75d438 100644
+--- a/ext/dba/dba_db4.c
++++ b/ext/dba/dba_db4.c
+@@ -37,25 +37,26 @@
+ #endif
+
+ static void php_dba_db4_errcall_fcn(
+-#if (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 3)
++#if (DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 3))
+ const DB_ENV *dbenv,
+ #endif
+ const char *errpfx, const char *msg)
+ {
+ TSRMLS_FETCH();
+
+-#if (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 8 && DB_VERSION_PATCH <= 26)
++#if (DB_VERSION_MAJOR == 5 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 8))
+ /* Bug 51086, Berkeley DB 4.8.26 */
+-/* This code suppresses a BDB 4.8 error message that BDB incorrectly emits */
++/* This code suppresses a BDB 4.8+ error message, thus keeping PHP test compatibility */
+ {
+ char *function = get_active_function_name(TSRMLS_C);
+ if (function && (!strcmp(function,"dba_popen") || !strcmp(function,"dba_open"))
+- && !strncmp(msg, "fop_read_meta", sizeof("fop_read_meta")-1)) {
++ && (!strncmp(msg, "fop_read_meta", sizeof("fop_read_meta")-1)
++ || !strncmp(msg, "BDB0004 fop_read_meta", sizeof("BDB0004 fop_read_meta")-1))) {
+ return;
+ }
+ }
+ #endif
+-
++
+ php_error_docref(NULL TSRMLS_CC, E_NOTICE, "%s%s", errpfx?errpfx:"", msg);
+ }
+
+@@ -124,7 +125,7 @@ DBA_OPEN_FUNC(db4)
+ if ((err=db_create(&dbp, NULL, 0)) == 0) {
+ dbp->set_errcall(dbp, php_dba_db4_errcall_fcn);
+ if (
+-#if (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 1)
++#if (DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 1))
+ (err=dbp->open(dbp, 0, info->path, NULL, type, gmode, filemode)) == 0) {
+ #else
+ (err=dbp->open(dbp, info->path, NULL, type, gmode, filemode)) == 0) {
+