Add makefile.

Makefile

@@ -0,0 +1,19 @@
+CPPFLAGS := -std=c++11 `llvm-config-7.0-64 --cppflags --ldflags --libs --system-libs all`
+CC := g++
+TARGET := lily
+
+# $(wildcard *.cpp /xxx/xxx/*.cpp): get all .cpp files from the current directory and dir "/xxx/xxx/"
+SRCS := $(wildcard src/*.cpp)
+# # $(patsubst %.cpp,%.o,$(SRCS)): substitute all ".cpp" file name strings to ".o" file name strings
+OBJS := $(patsubst src/%.cpp,%.o,$(SRCS))
+
+all: $(TARGET)
+$(TARGET): $(OBJS) parser-c.o
+	$(CC) $(CPPFLAGS) -o $@ $^
+%.o: src/%.cpp
+	$(CC) $(CPPFLAGS) -c $<
+clean:
+	rm -rf $(TARGET) *.o
+parser-c.o:
+	gcc -c -o parser-c.o src/parser.c
+.PHONY: all clean