diff -ruN make-4.2.1-orig/tests/run_make_tests.pl make-4.2.1/tests/run_make_tests.pl
--- make-4.2.1-orig/tests/run_make_tests.pl	2016-04-04 00:38:37.000000000 -0500
+++ make-4.2.1/tests/run_make_tests.pl	2023-01-15 18:16:11.000000000 -0600
@@ -27,6 +27,7 @@
 # You should have received a copy of the GNU General Public License along with
 # this program.  If not, see <http://www.gnu.org/licenses/>.
 
+
 %FEATURES = ();
 
 $valgrind = 0;              # invoke make with valgrind
@@ -58,6 +59,8 @@
   *CORE::GLOBAL::rmdir = \&vms_rmdir;
 }
 
+use FindBin;
+use lib "$FindBin::Bin";
 require "test_driver.pl";
 require "config-flags.pm";