diff -Nrup a/tests/run_make_tests.pl b/tests/run_make_tests.pl
--- a/tests/run_make_tests.pl   2016-04-04 01:38:37.000000000 -0400
+++ b/tests/run_make_tests.pl   2018-03-19 00:46:11.329131847 -0400
@@ -58,8 +58,8 @@ if ($^O eq 'VMS')
   *CORE::GLOBAL::rmdir = \&vms_rmdir;
 }

-require "test_driver.pl";
-require "config-flags.pm";
+require "./test_driver.pl";
+require "./config-flags.pm";

 # Some target systems might not have the POSIX module...
 $has_POSIX = eval { require "POSIX.pm" };
diff -Nrup a/tests/test_driver.pl b/tests/test_driver.pl
--- a/tests/test_driver.pl      2018-03-19 00:41:11.982406829 -0400
+++ b/tests/test_driver.pl      2018-03-19 00:54:12.484794671 -0400
@@ -165,7 +165,7 @@ sub toplevel
   $detail = 0;                # detailed verbosity
   $keep = 0;                  # keep temp files around
   $workdir = "work";          # The directory where the test will start running
-  $scriptdir = "scripts";     # The directory where we find the test scripts
+  $scriptdir = "./scripts";     # The directory where we find the test scripts
   $tmpfilesuffix = "t";       # the suffix used on tmpfiles
   $default_output_stack_level = 0;  # used by attach_default_output, etc.
   $default_input_stack_level = 0;   # used by attach_default_input, etc.