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 ---
Changes in v6: None Changes in v5: None Changes in v4: - Newly added
Changes in v3: None Changes in v2: None
scripts/Kbuild.include | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 6113c13..6504571 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -85,14 +85,16 @@ TMPOUT := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/) # 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,)