Enhance makefile

makefile

@@ -6,21 +6,23 @@ LIBS = -lSDL2 -lm
 
 TARGET = main
 BIN = bin
-
-# Create the bin directory when the makefile is parsed
-$(shell mkdir -p $(BIN))
+RUN = ./$(BIN)/$(TARGET)
 
 # Get source and object
 SOURCE = $(wildcard *.c)
 OBJECT = $(patsubst %,$(BIN)/%, $(notdir $(SOURCE:.c=.o)))
 
-# Convert the source in object
-$(BIN)/%.o: %.c
+# Convert the source in object, but before all, run `$(BIN)` aka mkdir
+$(BIN)/%.o: %.c | $(BIN)
 	$(CC) $(CFLAGS) -c $< -o $@
 
 # Create the target
 $(BIN)/$(TARGET): $(OBJECT)
 	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) $(LIBS)
+	$(RUN)
+
+$(BIN):
+	mkdir -p $(BIN)
 
 # Echo the source and object values
 help:
@@ -29,7 +31,7 @@ help:
 
 # Run the program
 run:
-	./$(BIN)/$(TARGET)
+	$(RUN)
 
 .PHONY: clean # Specify that the clean target is not a file
 clean: