$OpenBSD$
--- Makefile.unx.orig	Sun Jan 13 06:01:37 2013
+++ Makefile.unx	Sun Jan 13 06:02:15 2013
@@ -28,8 +28,8 @@ BASE_FLAGS=-Wall -O2 -I./src -DUNIX -DINLINE_G=inline
 
 FLTK_DIR=./fltk-1.1.7
 
-INSTALL_PREFIX=/usr/local
-MAN_PREFIX=$(INSTALL_PREFIX)/share/man
+INSTALL_PREFIX=$(PREFIX)
+MAN_PREFIX=$(INSTALL_PREFIX)/man
 
 
 # ----- GENERAL STUFF ----------------------------------------------