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 build a static /bin/mksh.
Pass DIET=yes to the script to use dietlibc instead of glibc. This
requires the optional dependency dietlibc. DIET=yes builds are always
static; no need for STATIC=yes. Cannot be combined with MUSL=yes.
Pass MUSL=yes to the script to use musl instead of glibc. This
requires the optional dependency musl. Can be combined with
STATIC=yes. Cannot be combined with DIET=yes.
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