From f7021d23deb95f9fa8d48ee1f8539994de7b3f15 Mon Sep 17 00:00:00 2001
From: vit9696 <vit9696@users.noreply.github.com>
Date: Mon, 4 Oct 2021 14:18:18 +0300
Subject: [PATCH] User: Add header dependency tracking during build

---
 .gitignore    | 1 +
 User/Makefile | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index c64c6ae3..31d284a8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,6 +37,7 @@ Utilities/TestSmbios/Smbios
 Utilities/TestPeCoff/PeCoff
 *.o
 *.o.tmp
+*.d
 *.exe
 *.gcda
 *.gcno
diff --git a/User/Makefile b/User/Makefile
index 93416a4a..6761c887 100644
--- a/User/Makefile
+++ b/User/Makefile
@@ -238,7 +238,11 @@ OBJS    := $(addprefix $(OUT_DIR)/,$(OBJS))
 
 $(OUT_DIR)/%.o: %.c
 	@$(MKDIR) $(OUT_DIR)
-	$(CC) $(CFLAGS) $< -o $@
+	$(CC) -MMD -MT $@ -MF $(OUT_DIR)/$*.d $(CFLAGS) $< -o $@
+
+DEP := $(OBJS:%.o=%.d)
+DEP_TEST := $(OBJ:%.o=%.d)
+-include $(DEP) $(DEP_TEST)
 
 all: $(PRODUCT)