Add “install” and “uninstall” tasks to Makefile

Makefile

@@ -1,6 +1,11 @@
 LISP ?= sbcl
 
-all: clean build
+PREFIX  ?= /usr/local
+BINDIR  ?= ${PREFIX}/bin
+MANDIR  ?= ${PREFIX}/share/man
+MAN1DIR ?= ${MANDIR}/man1
+
+all: build
 
 clean:
 	-rm mirror-img
@@ -12,13 +17,23 @@ quicklisp:
 	--eval '(ql:add-to-init-file)' \
 	--eval '(quit)'
 
-build:
+mirror-img:
 	$(LISP) --load mirror-img.asd \
 	--eval '(ql:quickload :mirror-img)' \
 	--eval '(ql:quickload :mirror-img/unix)' \
 	--eval '(asdf:make :mirror-img/unix)' \
 	--eval '(quit)'
 
+build: mirror-img
+
+install: build
+	install -m 775 mirror-img ${BINDIR}
+	install -m 444 mirror-img.1 ${MAN1DIR}
+
+uninstall:
+	rm ${BINDIR}/mirror-img
+	rm ${MAN1DIR}/mirror-img.1
+
 test:
 	$(LISP) --load mirror-img.asd \
 	--eval '(ql:quickload :mirror-img)' \