+PREFIX?= /usr/local
+BINDIR?= $(PREFIX)/bin
+LIBDIR?= $(PREFIX)/lib
+MANDIR?= $(PREFIX)/share/man
+
+# To use xquartz, uncomment the following three lines.
+INCFLAGS+= -I/opt/X11/include -I/opt/X11/include/freetype2/
+LDADD+= -L/opt/X11/lib -lX11 -lXcursor -lXft
+
+# To use homebrew, uncomment the following three lines.