Add makefile for CI

Author: jcs090218

Makefile

@@ -0,0 +1,29 @@
+SHELL := /usr/bin/env bash
+
+EMACS ?= emacs
+CASK ?= cask
+
+PKG-FILES := fextern.el
+
+TEST-FILES := $(shell ls test/fextern-*.el)
+
+.PHONY: clean checkdoc lint build compile unix-test
+
+ci: clean build compile
+
+build:
+	$(CASK) install
+
+compile:
+	@echo "Compiling..."
+	@$(CASK) $(EMACS) -Q --batch \
+		-L . \
+		--eval '(setq byte-compile-error-on-warn t)' \
+		-f batch-byte-compile $(PKG-FILES)
+
+unix-test:
+	@echo "Testing..."
+	$(CASK) exec ert-runner -L . $(LOAD-TEST-FILES) -t '!no-win' -t '!org'
+
+clean:
+	rm -rf .cask *.elc