Add rebuild target makefile

test/makefile

@@ -1,10 +1,10 @@
 CC = g++
-CFLAGS = -std=c++17 -Wall
+CFLAGS = -std=c++17 -Wall -g
 
 CPPS = $(wildcard *.cpp)
 EXES = $(patsubst %.cpp, %.out, $(CPPS))
 
-.PHONY: all clean
+.PHONY: all clean rebuild
 
 %.out: %.cpp
 	$(CC) $(CFLAGS) $< -o $@
@@ -14,3 +14,5 @@ all: $(EXES)
 clean:
 	-rm *.o
 	-rm *.out
+
+rebuild: clean all