X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=config.mk;h=c239f2315d4b1fe140e0c858d7176f51cc13cf0a;hb=776bebb75875dee80401ce098d06d7728c1e4a89;hp=596ba935926f6e2eb76b16ea280391012c24eacf;hpb=6f4acc179cd73203ed9927751af083dd666c3636;p=u-boot

diff --git a/config.mk b/config.mk
index 596ba93592..c239f2315d 100644
--- a/config.mk
+++ b/config.mk
@@ -104,7 +104,7 @@ HOSTCFLAGS	+= -pedantic
 
 #########################################################################
 #
-# Option checker (courtesy linux kernel) to ensure
+# Option checker, gcc version (courtesy linux kernel) to ensure
 # only supported compiler options are used
 #
 CC_OPTIONS_CACHE_FILE := $(OBJTREE)/include/generated/cc_options.mk
@@ -125,6 +125,10 @@ cc-option = $(strip $(if $(findstring $1,$(CC_OPTIONS)),$1,\
 		$(if $(call cc-option-sys,$1),$1,$2)))
 endif
 
+# cc-version
+# Usage gcc-ver := $(call cc-version)
+cc-version = $(shell $(SHELL) $(SRCTREE)/tools/gcc-version.sh $(CC))
+
 #
 # Include the make variables (CC, etc...)
 #
@@ -232,6 +236,10 @@ 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 :=