opt.exp revision 1.5 
1make -:
2usage: make [-BeikNnqrSstWwX]
3            [-C directory] [-D variable] [-d flags] [-f makefile]
4            [-I directory] [-J private] [-j max_jobs] [-m directory] [-T file]
5            [-V variable] [-v variable] [variable=value] [target ...]
6*** Error code 2 (ignored)
7
8make -r -f /dev/null -- -VAR=value -f /dev/null
9make: don't know how to make -f (continuing)
10`/dev/null' is up to date.
11
12make -?
13usage: make [-BeikNnqrSstWwX]
14            [-C directory] [-D variable] [-d flags] [-f makefile]
15            [-I directory] [-J private] [-j max_jobs] [-m directory] [-T file]
16            [-V variable] [-v variable] [variable=value] [target ...]
17*** Error code 2 (ignored)
18
19exit status 0
20