Ajout des cibles all, clean, mrproper et test.

Makefile

@@ -3,13 +3,29 @@ CFLAGS=
 LD=gcc
 LDFLAGS=-lSDL
 # -lSDL_mixer
+RM=rm
 
 EXEC=lew
 SOURCES=main.c
 OBJECTS=$(SOURCES:.c=.o)
 
+.Phony: all
+all: $(EXEC)
+
 $(EXEC): $(OBJECTS)
 	$(LD) $(LDFLAGS) $< -o $@
 
 .o:
 	$(CC) $(CFLAGS) $< -o $@
+
+.Phony: clean
+clean:
+	$(RM) $(OBJECTS)
+
+.Phony: mrproper
+mrproper: clean
+	$(RM) $(EXEC)
+
+.Phony: test
+test: $(EXEC)
+	@./$(EXEC) || true