--- Makefile.orig	Tue Jan 20 13:51:53 2015
+++ Makefile	Tue Jan 20 13:55:53 2015
@@ -1,5 +1,5 @@
 # Makefile
-prefix ?= /usr/local
+PREFIX ?= /usr/local
 version = txt2man-1.5.6
 BIN = src2man bookman txt2man
 MAN1 = src2man.1 txt2man.1 bookman.1
@@ -7,9 +7,10 @@ MAN1 = src2man.1 txt2man.1 bookman.1
 all: $(MAN1)
 
 install: $(MAN1)
-	mkdir -p $(prefix)/bin $(prefix)/man/man1
-	cp $(BIN) $(prefix)/bin/
-	cp $(MAN1) $(prefix)/man/man1
+	${BSD_INSTALL_SCRIPT_DIR} $(PREFIX)/bin
+	${BSD_INSTALL_MAN_DIR} $(PREFIX)/man/man1
+	${BSD_INSTALL_SCRIPT} $(BIN) $(PREFIX)/bin/
+	${BSD_INSTALL_MAN} $(MAN1) $(PREFIX)/man/man1
 
 clean:
 	rm -f *.1 *.txt *.ps *.pdf *.html