--- Makefile	2021-06-15 19:09:02.000000000 +0200
+++ Makefile.new	2024-06-15 22:59:28.311511715 +0200
@@ -3,8 +3,11 @@
 # By Nils M Holm, 2007-2018
 # In the public domain
 
+# Destination directory for installation.
+DESTDIR=
+
 # Change at least this line:
-PREFIX= /u
+PREFIX= $(DESTDIR)/usr
 
 # Base version and Release
 BASE=		20181115