..... make test MakeMaker checks for the existence of a file named test.pl in the current directory and if it exists it execute the script with the proper set of perl "-I" options. MakeMaker also checks for any files matching glob("t/*.t"). It will execute all matching files in alphabetical order via the Test::Harness module with the "-I" switches set correctly. If you'd like to see the raw output of your tests, set the "TEST_VERBOSE" variable to true. make test TEST_VERBOSE=1 ......