$OpenBSD$
--- Makefile.orig	Sun Dec  6 13:02:17 2009
+++ Makefile	Sat Feb  6 23:06:36 2010
@@ -1,6 +1,6 @@
-CXXFLAGS=-Wall -Wextra -pedantic -O2 -DNDEBUG
+CXXFLAGS?=-Wall -pedantic -O2 -DNDEBUG
 CXX=g++
-BIN=${DESTDIR}/usr/bin
+BIN=${PREFIX}/bin
 
 # For 'make man': sudo apt-get install xsltproc docbook-xsl docbook-xml
 DB2MAN=/usr/share/sgml/docbook/stylesheet/xsl/nwalsh/manpages/docbook.xsl
