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: 44e342804ce763b8f23719021cddafc6872134a3
parent: b19cd401cac635cbb6622bc442429cc9125b65bd
author: Brian Callahan <bcallah@openbsd.org>
date:   Sat, 5 Dec 2020 13:30:52 -0500

understands -> accepts

diff --git a/configure b/configure
@@ -909,7 +909,7 @@ else
 fi
 
 if [ "x$cflags" = "x-DEMACS -DVI" ] ; then
-  printf "checking if the compiler understands -g -O2... "
+  printf "checking if the compiler accepts -g -O2... "
   defaultcflagscheck
   if [ $? -eq 0 ] ; then
     echo "no"