From 4a30f1e874a269696b983bd66673809c431edbc0 Mon Sep 17 00:00:00 2001
From: Tom Rini <trini@ti.com>
Date: Mon, 20 Feb 2012 13:50:10 +0000
Subject: [PATCH] config.mk: Check for -fstack-usage support

Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Tom Rini <trini@ti.com>
---
 Makefile  | 2 +-
 config.mk | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 144613184b..08921a5c0a 100644
--- a/Makefile
+++ b/Makefile
@@ -747,7 +747,7 @@ clean:
 	@rm -f $(obj)MLO
 	@rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
 	@find $(OBJTREE) -type f \
-		\( -name 'core' -o -name '*.bak' -o -name '*~' \
+		\( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
 		-o -name '*.o'	-o -name '*.a' -o -name '*.exe'	\) -print \
 		| xargs rm -f
 
diff --git a/config.mk b/config.mk
index 596ba93592..fa33e62851 100644
--- a/config.mk
+++ b/config.mk
@@ -232,6 +232,10 @@ CFLAGS_WARN := $(call cc-option,-Wno-format-nonliteral) \
 	       $(call cc-option,-Wno-format-security)
 CFLAGS += $(CFLAGS_WARN)
 
+# Report stack usage if supported
+CFLAGS_STACK := $(call cc-option,-fstack-usage)
+CFLAGS += $(CFLAGS_STACK)
+
 # $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
 # option to the assembler.
 AFLAGS_DEBUG :=
-- 
2.39.2