On system without compilere installed the tests are failing:
$ kyua test usr.bin/lorder/ usr.bin/lorder/lorder_test:noargs -> passed [0.019s] usr.bin/lorder/lorder_test:dashdash -> failed: atf-check failed; see the output of the test for details [0.029s] usr.bin/lorder/lorder_test:invalid -> passed [0.029s] usr.bin/lorder/lorder_test:nonexistent -> passed [0.028s] usr.bin/lorder/lorder_test:onearg -> failed: atf-check failed; see the output of the test for details [0.028s] usr.bin/lorder/lorder_test:objects -> failed: atf-check failed; see the output of the test for details [0.030s] usr.bin/lorder/lorder_test:archives -> failed: atf-check failed; see the output of the test for details [0.045s] 3/7 passed (4 failed)
Add a check for cc on tests using it.