Manual patch for MANDIR, configure lacks -mandir option

--- mk/make_config.orig	2024-02-23 18:54:11 UTC
+++ mk/make_config
@@ -35,7 +35,7 @@ MakeConfig(CONFIG_FILE) =
         include $(PRECONFIG_FILE)
         BINDIR = $(PREFIX)/bin
         LIBDIR = $(PREFIX)/lib
-        MANDIR = $(PREFIX)/man
+        MANDIR = $(PREFIX)/share/man
         export
 
     #