Replace Rakefile with Makefile

* Makefile: New file
* Rakefile: Delete

Makefile

@@ -0,0 +1,46 @@
+### Makefile for Yasnippet (stolen from Eglot)
+# Variables
+#
+EMACS?=emacs
+SELECTOR?=t
+ERROR_ON_WARN=nil
+
+LOAD_PATH=-L .
+
+ELFILES := yasnippet.el yasnippet-tests.el
+ELCFILES := $(ELFILES:.el=.elc)
+
+BYTECOMP_ERROR_ON_WARN := \
+	--eval '(setq byte-compile-error-on-warn $(ERROR_ON_WARN))'
+
+all: compile
+
+%.elc: %.el
+	$(EMACS) -Q $(BYTECOMP_ERROR_ON_WARN) $(LOAD_PATH) \
+		--batch -f batch-byte-compile $<
+
+compile: $(ELCFILES)
+
+# Automated tests
+#
+yasnippet-check: compile
+	$(EMACS) -Q --batch						\
+		$(LOAD_PATH)						\
+		-l yasnippet						\
+		-l yasnippet-tests						\
+		--eval '(setq ert-batch-backtrace-right-margin 200)'	\
+		--eval '(ert-run-tests-batch-and-exit (quote $(SELECTOR)))'
+
+interactive: compile
+	$(EMACS) -Q							\
+		$(LOAD_PATH)						\
+		-l yasnippet						\
+		-l yasnippet-tests						\
+
+check: yasnippet-check
+
+# Cleanup
+#
+clean:
+	find . -iname '*.elc' -exec rm {} \;
+.PHONY: all compile clean check