adding POD style doc and Makefile

Makefile

@@ -0,0 +1,33 @@
+# petrified - a bash client to update dynamic DNS at freedns.afraid.org
+
+VERSION := $(shell grep '^\#\# Version:' petrified | cut -d' ' -f3)
+
+PREFIX    ?= /usr/local
+MANPREFIX ?= $(PREFIX)/share/man
+ETCPREFIX ?= /etc
+
+MANPAGES = \
+	petrified.1
+
+all: doc
+
+doc: $(MANPAGES)
+petrified.1: README.pod
+	pod2man -s 1 -c "Petrified Manual" -n "PETRIFIED" \
+		-r "petrified $(VERSION)" $< $@
+
+install: all
+	install -Dm0755 petrified "$(DESTDIR)$(PREFIX)/bin/petrified"
+	install -Dm0644 petrified.1 "$(DESTDIR)$(MANPREFIX)/man1/petrified.1"
+	install -Dm0600 petrified.conf "$(DESTDIR)$(ETCPREFIX)/petrified.conf"
+
+uninstall:
+	$(RM) "$(DESTDIR)$(PREFIX)/bin/petrified" \
+		"$(DESTDIR)$(MANPREFIX)/man1/petrified.1" \
+		"$(DESTDIR)$(ETCPREFIX)/petrified.conf"
+
+clean:
+	$(RM) $(MANPAGES)
+
+.PHONY: clean doc install uninstall
+