- build run "$0 configure" then make(1).
- check [ARG] run "$0 build" then "make check [ARG]".
- configure run autoreconf(1) and "./configure" if necessary.
+ build run "$0 configure" then make(1)
+ check [ARG] run "$0 build" then "make check [ARG]"
+ configure run autoreconf(1) and "./configure" if necessary