kbuild: Do not generate .*.su files at the top directory

Without this workaround, you will see a lot of ".*.su" files at the top directory after building with a compiler which supports "-fstack-usage" option. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

kbuild: Do not generate .*.su files at the top directory
Without this workaround, you will see a lot of ".*.su" files at the top directory after building with a compiler which supports "-fstack-usage" option. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Masahiro Yamada · Tom Rini
1 parent b831bb36bb
Showing 1 changed file with 3 additions and 1 deletions Side-by-side Diff
scripts/Kbuild.include
@@ -85,14 +85,16 @@
 # Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
 # Exit code chooses option. "$$TMP" is can be used as temporary file and
 # is automatically cleaned up.
+# modifed for U-Boot: prevent cc-option from leaving .*.su files
 try-run = $(shell set -e;		\
 	TMP="$(TMPOUT).$$$$.tmp";	\
 	TMPO="$(TMPOUT).$$$$.o";	\
+	TMPSU="$(TMPOUT).$$$$.su";	\
 	if ($(1)) >/dev/null 2>&1;	\
 	then echo "$(2)";		\
 	else echo "$(3)";		\
 	fi;				\
-	rm -f "$$TMP" "$$TMPO")
+	rm -f "$$TMP" "$$TMPO" "$$TMPSU")
  
 # as-option
 # Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)
...	...	@@ -85,14 +85,16 @@
85	85	# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
86	86	# Exit code chooses option. "$$TMP" is can be used as temporary file and
87	87	# is automatically cleaned up.
	88	+# modifed for U-Boot: prevent cc-option from leaving .*.su files
88	89	try-run = $(shell set -e; \
89	90	TMP="$(TMPOUT).$$$$.tmp"; \
90	91	TMPO="$(TMPOUT).$$$$.o"; \
	92	+ TMPSU="$(TMPOUT).$$$$.su"; \
91	93	if ($(1)) >/dev/null 2>&1; \
92	94	then echo "$(2)"; \
93	95	else echo "$(3)"; \
94	96	fi; \
95		- rm -f "$$TMP" "$$TMPO")
	97	+ rm -f "$$TMP" "$$TMPO" "$$TMPSU")
96	98
97	99	# as-option
98	100	# Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)