1 make -r -f /dev/null -V MAKEFLAGS 2 -r -k -d 0 3 4 make -: 5 usage: make [-BeikNnqrSstWwX] 6 [-C directory] [-D variable] [-d flags] [-f makefile] 7 [-I directory] [-J private] [-j max_jobs] [-m directory] [-T file] 8 [-V variable] [-v variable] [variable=value] [target ...] 9 *** Error code 2 (ignored) 10 11 make -r -f /dev/null -- -VAR=value -f /dev/null 12 make: don't know how to make -f (continuing) 13 `/dev/null' is up to date. 14 15 Stop. 16 make: stopped making "-f /dev/null" in unit-tests 17 *** Error code 1 (ignored) 18 19 make -? 20 usage: make [-BeikNnqrSstWwX] 21 [-C directory] [-D variable] [-d flags] [-f makefile] 22 [-I directory] [-J private] [-j max_jobs] [-m directory] [-T file] 23 [-V variable] [-v variable] [variable=value] [target ...] 24 *** Error code 2 (ignored) 25 26 exit status 0 27