add waf, skeleton main.cc

Makefile

@@ -0,0 +1,20 @@
+all:
+	./waf build --targets oniguruma-test
+
+.PHONY: clean
+clean:
+	./waf clean
+
+ifneq ($(FILTER),)
+  GTEST_FILTER := --gtest_filter=$(FILTER)
+endif
+
+.PHONY: build_tests
+build_tests:
+	./waf build --targets tests
+
+.PHONY: test
+test: build_tests
+	./build/tests $(GTEST_FILTER)
+	@-rm -rf coverage
+	-gcovinator -b build -s src