This is mksh, the "MirBSD Korn Shell" (or "MidnightBSD Korn Shell").
It is a successor to the Public Domain Korn Shell (pdksh)
Pass STATIC=yes to the script to create a static build.
Pass DIET=yes to the script in order to use dietlibc (this
requires the optional dependency dietlibc)
Maintained by: Markus Reichelt
Keywords: shell,korn shell,mksh,pdksh,ksh
(the SlackBuild does not include the source)