Update sk1/Makefile

sk1/Makefile

@@ -0,0 +1,17 @@
+CC = gcc
+CFLAGS = -Wall -Wextra -std=c11
+
+SRC = compressor.c main.c
+OBJ = $(SRC:.c=.o)
+TARGET = program
+
+all: $(TARGET)
+
+$(TARGET): $(OBJ)
+	$(CC) $(CFLAGS) -o $@ $(OBJ)
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
+clean:
+	rm -f $(OBJ) $(TARGET)