Workaround makefile

makefile

@@ -2,9 +2,14 @@
 CC = gcc
 CFLAGS = -std=c99 -Wall -pedantic
 
+src = $(wildcard *.c)
+obj = $(src:.c=.o)
+dep = $(obj:.o=.d) 
+
 build: example-01.exe example-02.exe example-03.exe
 
 clean:
+	rm -rf *.d
 	rm -rf *.o
 	rm -rf *.exe
 
@@ -24,3 +29,8 @@ example-03.exe: example-03.o tiny-json.o
 
 test.exe: tests.o tiny-json.o
 	gcc $(CFLAGS) -o $@ $^	
+
+-include $(dep)
+
+%.d: %.c
+	$(CC) $(CFLAGS) $< -MM -MT $(@:.d=.o) >$@