oksh-noxz [fork] Portable OpenBSD ksh, based on the Public Domain Korn Shell (pdksh).
	git clone https://noxz.tech/git/oksh-noxz.git
	oksh-noxz

commit: 902b54048d2a7ffd68eb7d1bf40ef2b7cd70d0fa
parent: 3fa61694d9879ac199dcba636f71e6b102a180be
author: Calvin Buckley <calvin@cmpct.info>
date:   Mon, 17 Sep 2018 13:09:01 +0000

fix PASE build

diff --git a/configure b/configure
@@ -534,7 +534,7 @@ case "x$os" in
   "xNetBSD")
     cflags="$cflags -D_OPENBSD_SOURCE"
     ;;
-  "xAIX")
+  "xAIX"|"xOS400")
     cflags="$cflags -D_ALL_SOURCE"
     ldflags="-lbsd"
     ;;