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: 13e3b149fd4fe588c697730b12146fe03b8e59a8
parent: 62d0e1b97e0231044c8a0feef836d8e4dc9aaa18
author: Brian Callahan <bcallah@openbsd.org>
date:   Fri, 8 May 2020 20:57:07 -0400

Variables have $'s.

diff --git a/configure b/configure
@@ -505,10 +505,10 @@ do
   case "$opt" in
     --prefix=*)
 	prefix=`echo $opt | cut -d '=' -f 2`
-	if [ bindirset -eq 0 ] ; then
+	if [ $bindirset -eq 0 ] ; then
 	  bindir="$prefix/bin"
 	fi
-	if [ mandirset -eq 0 ] ; then
+	if [ $mandirset -eq 0 ] ; then
 	  mandir="$prefix/share/man"
 	fi
 	;;