diff -up ./ext/dba/config.m4.libdb ./ext/dba/config.m4
--- ./ext/dba/config.m4.libdb	2020-04-09 14:06:11.000000000 +0200
+++ ./ext/dba/config.m4	2020-04-09 14:35:08.208605065 +0200
@@ -421,55 +421,7 @@ if test "$PHP_DB4" != "no"; then
     /usr/local \
     /usr \
   ; do
-    if test -f "$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/db5.3/db.h"; then
-      THIS_PREFIX=$i
-      THIS_INCLUDE=$i/include/db5.3/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=$i/include/db4.8/db.h
-      break
-    elif test -f "$i/include/db4.7/db.h"; then
-      THIS_PREFIX=$i
-      THIS_INCLUDE=$i/include/db4.7/db.h
-      break
-    elif test -f "$i/include/db4.6/db.h"; then
-      THIS_PREFIX=$i
-      THIS_INCLUDE=$i/include/db4.6/db.h
-      break
-    elif test -f "$i/include/db4.5/db.h"; then
-      THIS_PREFIX=$i
-      THIS_INCLUDE=$i/include/db4.5/db.h
-      break
-    elif test -f "$i/include/db4/db.h"; then
-      THIS_PREFIX=$i
-      THIS_INCLUDE=$i/include/db4/db.h
-      break
-    elif test -f "$i/include/db/db4.h"; then
-      THIS_PREFIX=$i
-      THIS_INCLUDE=$i/include/db/db4.h
-      break
-    elif test -f "$i/include/db4.h"; then
-      THIS_PREFIX=$i
-      THIS_INCLUDE=$i/include/db4.h
-      break
-    elif test -f "$i/include/db.h"; then
+    if test -f "$i/include/db.h"; then
       THIS_PREFIX=$i
       THIS_INCLUDE=$i/include/db.h
       break
@@ -477,20 +429,6 @@ if test "$PHP_DB4" != "no"; then
   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)])
diff -up ./ext/dba/dba.c.libdb ./ext/dba/dba.c
--- ./ext/dba/dba.c.libdb	2020-04-09 14:06:11.000000000 +0200
+++ ./ext/dba/dba.c	2020-04-09 14:36:30.593275190 +0200
@@ -49,6 +49,10 @@
 #include "php_lmdb.h"
 #include "dba_arginfo.h"
 
+#ifdef DB4_INCLUDE_FILE
+#include DB4_INCLUDE_FILE
+#endif
+
 PHP_MINIT_FUNCTION(dba);
 PHP_MSHUTDOWN_FUNCTION(dba);
 PHP_MINFO_FUNCTION(dba);
@@ -444,6 +448,10 @@ PHP_MINFO_FUNCTION(dba)
 
 	php_info_print_table_start();
 	php_info_print_table_row(2, "DBA support", "enabled");
+#ifdef DB_VERSION_STRING
+ 	php_info_print_table_row(2, "libdb header version", DB_VERSION_STRING);
+ 	php_info_print_table_row(2, "libdb library version", db_version(NULL, NULL, NULL));
+#endif
 	if (handlers.s) {
 		smart_str_0(&handlers);
 		php_info_print_table_row(2, "Supported handlers", ZSTR_VAL(handlers.s));