--- Makefile.orig	2019-02-11 22:54:03.000000000 +1030
+++ Makefile	2019-02-11 22:55:56.000000000 +1030
@@ -1,11 +1,12 @@
 CFLAGS = -Wall -Wextra -Werror -framework Foundation -framework IOBluetooth
 
 DESTDIR =
-prefix = /usr/local
+prefix = @PREFIX@
 bindir = $(prefix)/bin
 INSTALL = install
 INSTALL_PROGRAM = $(INSTALL) -m 755
 
+all: blueutil
 build: blueutil
 
 test: build