1level 1: variable 0, env 1 2level 2: variable 1, env 2 3level 3: variable 2, env 3 4make: Cannot override read-only global variable ".MAKE.LEVEL.ENV" with a command line variable 5make: Fatal errors encountered -- cannot continue 6make: stopped in unit-tests 7*** Error code 1 (continuing) 8`all' not remade because of errors. 9 10Stop. 11make: stopped making "all" in unit-tests 12exit status 1 13