From 9d1a9147b7f1c3be67c1bb149842134b4233b371 Mon Sep 17 00:00:00 2001
From: yenru0 <yenru0604@gmail.com>
Date: Mon, 17 Nov 2025 15:48:37 +0900
Subject: [PATCH] fix makefile

---
 Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index ff9953f..8853883 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,10 @@ TARGET := cval.out
 
 .PHONY: all clean
 
-all: $(TARGET)
+all: init $(TARGET)
+
+init:
+	mkdir -p $(BUILD_DIR)
 
 $(TARGET): $(OBJ)
 	$(CC) $(CFLAGS) -o $(BUILD_DIR)/$(TARGET) $(OBJ)