[U-Boot] [PATCH v2 3/6] config.mk: Check for -fstack-usage support

[Tom Rini]

Signed-off-by: Tom Rini <trini at ti.com>

---
Changes for v2:
   - Move check from arch/arm/config.mk to config.mk, reword summary

Signed-off-by: Tom Rini <trini at ti.com>
---
 config.mk |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/config.mk b/config.mk
index 519bc1b..91c9e42 100644
--- a/config.mk
+++ b/config.mk
@@ -233,6 +233,10 @@ 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 :=
-- 
1.7.0.4