Update makefile

Author: minad

Makefile

@@ -10,11 +10,14 @@ LOAD = -l gnuplot \
 
 default: compile
 
-test:
-	$(EMACS) -batch -L . $(LOAD) -f ert-run-tests-batch-and-exit
+prepare:
+	$(EMACS) --eval "(progn (package-refresh-contents) (package-install 'compat))"
 
-compile:
-	$(EMACS) -batch -L . -f batch-byte-compile gnuplot-*.el
+test: prepare
+	$(EMACS) --batch -L . -f package-initialize $(LOAD) -f ert-run-tests-batch-and-exit
+
+compile: prepare
+	$(EMACS) --batch -L . -f package-initialize -f batch-byte-compile gnuplot-*.el
 
 clean:
 	rm -f *.elc