add target to create dist file

+Georg Hopp <georg@steffers.org>

@@ -21,7 +21,16 @@ DESTDIR ?=
 
 export PREFIX DESTDIR
 
-PROGRAM := accountmanager.sh
+PROGRAM = accountmanager.sh
+
+DIST_FILES = doc/Makefile \
+	     doc/accountmanager.1 \
+	     $(PROGRAM) \
+	     Makefile \
+	     README.md \
+	     LICENSE \
+	     VERSION \
+	     AUTHORS
 
 all: doc
 
@@ -29,7 +38,12 @@ README_new.md: doc/accountmanager.1
 	groff -D utf8 -mandoc -Thtml "$<" |\
 		pandoc -f html -t markdown_strict >"$@"
 
-.PHONY: clean install doc
+.PHONY: clean install doc dist
+
+dist: ARCHIVE_NAME = $(basename $(PROGRAM))-`cat VERSION`
+dist: clean $(DIST_FILES)
+	tar cvf - --xform="s/^/$(ARCHIVE_NAME)\//" $(DIST_FILES) | \
+		bzip2 -9 -c >$(ARCHIVE_NAME).tar.bz2
 
 doc:
 	make -C doc

+1.0
\ No newline at end of file