$NetBSD$

--- Makefile.orig	2024-09-06 14:53:45.000000000 +0000
+++ Makefile
@@ -45,7 +45,7 @@ else
 endif
 
 ### Installation dir definitions
-PREFIX = /usr/local
+PREFIX ?= /usr/local
 BINDIR = $(PREFIX)/bin
 
 ### Built-in benchmark for pgo-builds