1make -r -f /dev/null -V MAKEFLAGS
2 -r -k -d 0
3
4make -:
5usage: 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
11make -r -f /dev/null -- -VAR=value -f /dev/null
12make: don't know how to make -f (continuing)
13`/dev/null' is up to date.
14
15Stop.
16make: stopped making "-f /dev/null" in unit-tests
17*** Error code 1 (ignored)
18
19make -?
20usage: 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
26exit status 0
27