$OpenBSD$
--- Makefile.in.orig	Fri Apr 25 19:48:14 2008
+++ Makefile.in	Tue Nov  4 13:00:16 2008
@@ -34,7 +34,7 @@ BUILD_DEBUG=@BUILD_DEBUG@
 HAVE_SHADERS=@HAVE_SHADERS@
 
 # assign parameters from configure
-prefix=@prefix@
+prefix=${DESTDIR}@prefix@
 exec_prefix=@exec_prefix@
 BINDIR=@bindir@
 datarootdir=@datarootdir@