Added Makefile

.replit

@@ -1,2 +1,2 @@
 language = "cpp"
-run = "g++ src/*.cpp -o out -std=c++11; ./out; rm out"
+run = "make; ./compress; rm compress"

Makefile

@@ -0,0 +1,20 @@
+TARGET ?= compress
+SRC_DIRS ?= ./src
+
+SRCS := $(shell find $(SRC_DIRS) -name *.cpp -or -name *.c -or -name *.s)
+OBJS := $(addsuffix .o,$(basename $(SRCS)))
+DEPS := $(OBJS:.o=.d)
+
+INC_DIRS := $(shell find $(SRC_DIRS) -type d)
+INC_FLAGS := $(addprefix -I,$(INC_DIRS))
+
+CPPFLAGS ?= $(INC_FLAGS) -MMD -MP -std=c++11
+
+$(TARGET): $(OBJS)
+	$(CC) $(LDFLAGS) $(OBJS) -o $@ $(LOADLIBES) $(LDLIBS)
+
+.PHONY: clean
+clean:
+	$(RM) $(TARGET) $(OBJS) $(DEPS)
+
+-include $(DEPS)

src/huffman.d

@@ -0,0 +1,5 @@
+src/huffman.o: src/huffman.cpp src/huffman.h src/common.h
+
+src/huffman.h:
+
+src/common.h:

src/main.d

@@ -0,0 +1,5 @@
+src/main.o: src/main.cpp src/common.h src/huffman.h
+
+src/common.h:
+
+src/huffman.h: