explicit notice to the already existing notice to set $SHELL in
the build environment to a compatible shell
argumenting with POSIX doesn't count: it doesn't count leap seconds.
(Well, he's a Mac user, so let's help these poor children
if they don't know how to do it themselfes ;-)
* fix stripping (now that I know elf.sc by heart...)
* fix catmanpage generation
* detect if catmanpage or stripped binary are generated