mirror of https://gitee.com/openkylin/linux.git
Revert "perf tools: Improve setting of gcc debug option"
This reverts commit e8b7ea4356
.
Martin created a gcc PR:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68836
Reported-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Martin Liska <mliska@suse.cz>
Cc: Namhyung Kim <namhyung@kernel.org>,
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20151202164827.GA21124@krava.brq.redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
parent
61fa0e94ca
commit
8488335c03
|
@ -135,8 +135,6 @@ endif
|
|||
|
||||
ifeq ($(DEBUG),0)
|
||||
CFLAGS += -O6
|
||||
else
|
||||
CFLAGS += $(call cc-option,-Og,-O0)
|
||||
endif
|
||||
|
||||
ifdef PARSER_DEBUG
|
||||
|
|
|
@ -177,22 +177,3 @@ $(if $($(1)),$(call _ge_attempt,$($(1)),$(1)),$(call _ge_attempt,$(2)))
|
|||
endef
|
||||
_ge_attempt = $(if $(get-executable),$(get-executable),$(call _gea_err,$(2)))
|
||||
_gea_err = $(if $(1),$(error Please set '$(1)' appropriately))
|
||||
|
||||
# try-run
|
||||
# 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.
|
||||
try-run = $(shell set -e; \
|
||||
TMP="$(TMPOUT).$$$$.tmp"; \
|
||||
TMPO="$(TMPOUT).$$$$.o"; \
|
||||
if ($(1)) >/dev/null 2>&1; \
|
||||
then echo "$(2)"; \
|
||||
else echo "$(3)"; \
|
||||
fi; \
|
||||
rm -f "$$TMP" "$$TMPO")
|
||||
|
||||
# cc-option
|
||||
# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
|
||||
|
||||
cc-option = $(call try-run,\
|
||||
$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2))
|
||||
|
|
Loading…
Reference in New Issue