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    Subject[PATCH AUTOSEL 5.4 226/350] libsubcmd: Use -O0 with DEBUG=1
    Date
    From: James Clark <James.Clark@arm.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@arm.com>
    Cc: Adrian Hunter <adrian.hunter@intel.com>
    Cc: Ian Rogers <irogers@google.com>
    Cc: Jiri Olsa <jolsa@kernel.org>
    Cc: Josh Poimboeuf <jpoimboe@redhat.com>
    Cc: Namhyung Kim <namhyung@kernel.org>
    Cc: nd <nd@arm.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@redhat.com>
    Signed-off-by: Sasha Levin <sashal@kernel.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 5b2cd5e58df09..5dbb0dde208c4 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
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