Add a makefile

Makefile

@@ -0,0 +1,22 @@
+RUSTC := rustc
+BUILD := build
+LIB := $(BUILD)/$(shell $(RUSTC) --crate-file-name src/toml.rs)
+TEST := $(BUILD)/tomltest
+
+all: $(LIB)
+
+-include $(BUILD)/toml.d
+-include $(BUILD)/tomltest.d
+
+$(LIB): src/toml.rs
+	@mkdir -p $(@D)
+	$(RUSTC) -O $< --out-dir $(@D) --dep-info
+
+check: $(TEST)
+	$(TEST)
+
+$(TEST): src/toml.rs
+	$(RUSTC) $< --test -o $@ --dep-info
+
+clean:
+	rm -rf $(BUILD)