--- Makefile.orig	2024-10-04 11:55:32 UTC
+++ Makefile
@@ -31,7 +31,7 @@ DESTDIR		=
 VERSION		=
 
 DESTDIR		=
-prefix		= /usr
+prefix		?= $(PREFIX)
 exec_prefix	= $(prefix)
 man_prefix	= $(prefix)/share
 mandir		= $(man_prefix)/man