update makefile

Makefile

@@ -1,5 +1,5 @@
-NAME		=		carp_faillover
-DESTDIR ?=	/usr/local
+NAME		=		carp_failover
+DESTDIR ?=	.
 prefix       ?= ${DESTDIR}/usr/local
 exec_prefix  ?= ${prefix}
 bindir       ?= ${exec_prefix}/bin
@@ -7,9 +7,19 @@ sysconfdir   ?= ${prefix}/etc/${NAME}
 datarootdir  ?= ${prefix}/share
 datadir      ?= ${datarootdir}/${NAME}
 
+VERSION != git describe --tags
+
 install:
 	install -d ${sysconfdir}
 	install -m 644 carp_failover.conf ${sysconfdir}/${NAME}.conf.sample
 	install carp_failover ${exec_prefix}
 
-.PHONY: install
+release:
+	mkdir ${NAME}-${VERSION}
+	for f in ${NAME} ${NAME}.conf LICENSE README.md Makefile; do \
+		cp $${f} ${NAME}-${VERSION}/; \
+	done
+	tar -czf ${NAME}-${VERSION}.tar.gz ${NAME}-${VERSION}
+	rm -R ${NAME}-${VERSION}/
+
+.PHONY: install release