"Perform self-tests (if any). The user must build the program before running the tests, but need not install the program; you should write the self-tests so that they work when the program is built but not installed."
http://www.gnu.org/software/make/manual/html_node/Standard-Targets.html
"Perform self-tests (if any). The user must build the program before running the tests, but need not install the program; you should write the self-tests so that they work when the program is built but not installed." http://www.gnu.org/software/make/manual/html_node/Standard-Targets.html