2 files changed, 23 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index b83631e..e785757 100644
--- a/Makefile
+++ b/Makefile
@@ -1 +1,22 @@
-SRCS
+.POSIX:
+
+OS			= $(shell uname -s)
+ifeq ($(OS), Darwin)
+	PREFIX	= /usr/local
+else
+	PREFIX	= /usr
+endif
+MANPREFIX	= $(PREFIX)/share/man
+
+install:
+	mkdir -p $(DESTDIR)$(PREFIX)/bin
+	cp -f bin/lowbat $(DESTDIR)$(PREFIX)/bin/
+	chmod 755 $(DESTDIR)$(PREFIX)$/bin/lowbat
+	mkdir -p $(DESTDIR)$(MANPREFIX)/man1
+	cp -f man/lowbat.1 $(DESTDIR)$(MANPREFIX)/man1/lowbat.1
+
+uninstall:
+	rm -f $(DESTDIR)$(PREFIX)/bin/lowbat
+	rm -f $(DESTDIR)$(MANPREFIX)/man1/lowbat.1
+
+.PHONY: install uninstall
diff --git a/bin/lowbat b/bin/lowbat
index 6b893a4..3a31f0b 100755
--- a/bin/lowbat
+++ b/bin/lowbat
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 notify() {
 	notify-send "Low battery" "Please plug in computer" -u critical -t 15000