leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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>
This commit is contained in:
Masahiro Yamada 2014-02-04 17:24:44 +09:00 committed by Tom Rini
parent b831bb36bb
commit 9a368d0f58
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
scripts/Kbuild.include
View File

@ -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,)