$OpenBSD: patch-src_cs_c_configure,v 1.1 2020/02/19 20:39:56 juanfra Exp $

https://github.com/racket/racket/issues/3046

Index: src/cs/c/configure
--- src/cs/c/configure.orig
+++ src/cs/c/configure
@@ -2893,7 +2893,7 @@ PREFIX_PATH_RELATIVE=/../..
 
 
 unixstyle=no
-if test "${enable_useprefix}" = "yes" -a "${prefix}" != "NONE" ; then
+if test "${enable_useprefix}" = "yes" -o "${prefix}" != "NONE" ; then
   if test "${prefix}" != "NONE" ; then
     unixstyle=yes
   fi
