diff -urNp -x '*.orig' php-5.6.40.org/ext/dba/config.m4 php-5.6.40/ext/dba/config.m4
--- php-5.6.40.org/ext/dba/config.m4	2021-08-23 23:20:23.472399605 +0200
+++ php-5.6.40/ext/dba/config.m4	2021-08-23 23:20:24.499065191 +0200
@@ -326,6 +326,14 @@ if test "$PHP_DB4" != "no"; then
       THIS_PREFIX=$i
       THIS_INCLUDE=$i/include/db5.3/db.h
       break
+    elif test -f "$i/include/db5.3/db.h"; then
+      THIS_PREFIX=$i
+      THIS_INCLUDE=$i/include/db5.3/db.h
+      break
+    elif test -f "$i/include/db5.2/db.h"; then
+      THIS_PREFIX=$i
+      THIS_INCLUDE=$i/include/db5.2/db.h
+      break
     elif test -f "$i/include/db5.1/db.h"; then
       THIS_PREFIX=$i
       THIS_INCLUDE=$i/include/db5.1/db.h
@@ -368,7 +376,7 @@ if test "$PHP_DB4" != "no"; then
       break
     fi
   done
-  PHP_DBA_DB_CHECK(4, db-5.3 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)])
+  PHP_DBA_DB_CHECK(4, db-5.3 db-5.2 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)