[tip:perf/core] Revert "perf tools: Improve setting of gcc debug option"

[tip-bot for Arnaldo Carvalho de Melo <tipbot@zytor.com>]

Commit-ID:  8488335c039ff4917754332763e21c01a81435b4
Gitweb:     http://git.kernel.org/tip/8488335c039ff4917754332763e21c01a81435b4
Author:     Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Tue, 8 Dec 2015 16:51:24 -0300
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 10 Dec 2015 16:09:40 -0300

Revert "perf tools: Improve setting of gcc debug option"

This reverts commit e8b7ea4356fdd3c4de5478f3418eb84f8dce2b61.

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>
---
 tools/perf/config/Makefile      |  2 --
 tools/perf/config/utilities.mak | 19 -------------------
 2 files changed, 21 deletions(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 6eb9a95..a552417 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -135,8 +135,6 @@ endif
 
 ifeq ($(DEBUG),0)
   CFLAGS += -O6
-else
-  CFLAGS += $(call cc-option,-Og,-O0)
 endif
 
 ifdef PARSER_DEBUG
diff --git a/tools/perf/config/utilities.mak b/tools/perf/config/utilities.mak
index 0ebef09..c16ce83 100644
--- a/tools/perf/config/utilities.mak
+++ b/tools/perf/config/utilities.mak
@@ -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))