linux-kernel - [PATCH 5.4 251/434] libsubcmd: Use -O0 with DEBUG=1

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Message-Id: <20191229172718.585795461@linuxfoundation.org>
Date:   Sun, 29 Dec 2019 18:25:04 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, James Clark <james.clark@....com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ian Rogers <irogers@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>, nd <nd@....com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 251/434] libsubcmd: Use -O0 with DEBUG=1

From: James Clark <James.Clark@....com>

[ Upstream commit 22bd8f1b5a1dd168ba4eba27cb17643a11012f5d ]

When a 'make DEBUG=1' build is done, the command parser is still built
with -O6 and is hard to step through, fix it making it use -O0 in that
case.

Signed-off-by: James Clark <james.clark@....com>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Ian Rogers <irogers@...gle.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: nd <nd@....com>
Link: http://lore.kernel.org/lkml/20191028113340.4282-1-james.clark@arm.com
[ split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/lib/subcmd/Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/lib/subcmd/Makefile b/tools/lib/subcmd/Makefile
index 5b2cd5e58df0..5dbb0dde208c 100644
--- a/tools/lib/subcmd/Makefile
+++ b/tools/lib/subcmd/Makefile
@@ -28,7 +28,9 @@ ifeq ($(DEBUG),0)
   endif
 endif
 
-ifeq ($(CC_NO_CLANG), 0)
+ifeq ($(DEBUG),1)
+  CFLAGS += -O0
+else ifeq ($(CC_NO_CLANG), 0)
   CFLAGS += -O3
 else
   CFLAGS += -O6
-- 
2.20.1