github.com/westcoastroms/westcoastroms-build@v0.0.0-20190928114312-2350e5a73030/build/kati/testcase/if.mk (about)

     1  TRUE:=foo
     2  FALSE:=
     3  
     4  $(if ${TRUE}, $(info PASS1))
     5  $(if ${FALSE}, $(info FAIL1))
     6  $(if ${TRUE}, $(info PASS2), $(info FAIL2))
     7  $(if ${FALSE}, $(info FAIL3), $(info PASS3))
     8  $(info $(if ${TRUE}, PASS4, FAIL4))
     9  # Too many arguments
    10  $(info $(if ${FALSE}, FAIL5, PASS5, PASS6))
    11  $(info $(if ${FALSE} , FAIL6, PASS7))
    12  
    13  test:
    14  	echo OK
    15