--- /dev/null
+From 5bc1e5fdd87aa205011512cd1e6cc655bcf677fd Mon Sep 17 00:00:00 2001
+From: Sergey Poznyakoff <gray@gnu.org>
+Date: Wed, 23 Jun 2021 15:31:42 +0300
+Subject: [PATCH 3/3] Fix definition of ITEM_NOT_FOUND for pre-1.13 versions.
+
+---
+ ext/GDBM_File/GDBM_File.xs | 9 +++++----
+ 1 file changed, 5 insertions(+), 4 deletions(-)
+
+diff --git a/ext/GDBM_File/GDBM_File.xs b/ext/GDBM_File/GDBM_File.xs
+index 494c2889ca..0125b5dcac 100644
+--- a/ext/GDBM_File/GDBM_File.xs
++++ b/ext/GDBM_File/GDBM_File.xs
+@@ -145,10 +145,11 @@ output_datum(pTHX_ SV *arg, char *str, int size)
+ #define gdbm_setopt(db,optflag,optval,optlen) not_here("gdbm_setopt")
+ #endif
+
+-#if GDBM_VERSION_MAJOR == 1 && GDBM_VERSION_MINOR < 13
+-/* Prior to 1.13, gdbm_fetch family functions set gdbm_errno to GDBM_NO_ERROR
+- if the requested key did not exist */
+-# define ITEM_NOT_FOUND() (gdbm_errno == GDBM_NO_ERROR)
++#if GDBM_VERSION_MAJOR == 1 && GDBM_VERSION_MINOR < 13
++/* Prior to 1.13, only gdbm_fetch set GDBM_ITEM_NOT_FOUND if the requested
++ key did not exist. Other similar functions would set GDBM_NO_ERROR instead.
++ The GDBM_ITEM_NOT_FOUND existed as early as in 1.7.3 */
++# define ITEM_NOT_FOUND() (gdbm_errno == GDBM_NO_ERROR || gdbm_errno == GDBM_ITEM_NOT_FOUND)
+ #else
+ # define ITEM_NOT_FOUND() (gdbm_errno == GDBM_ITEM_NOT_FOUND)
+ #endif
+--
+2.31.1
+