diff -ruN gdbm-1.18.1.orig/configure.ac gdbm-1.18.1/configure.ac
--- gdbm-1.18.1.orig/configure.ac	2018-10-27 08:46:09.000000000 +0300
+++ gdbm-1.18.1/configure.ac	2020-12-17 14:12:14.249678303 +0200
@@ -94,7 +94,7 @@
 
 dnl Internationalization macros.
 AM_GNU_GETTEXT([external], [need-ngettext])
-AM_GNU_GETTEXT_VERSION(0.18)
+AM_GNU_GETTEXT_REQUIRE_VERSION(0.18)
 
 AC_CHECK_HEADERS([sys/file.h sys/termios.h string.h locale.h getopt.h])