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    Subject[08/25] kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0
    2.6.32-longterm review patch.  If anyone has any objections, please let me know.

    ------------------
    Content-Length: 983
    Lines: 33

    From: Dave Jones <davej@redhat.com>

    commit af0e5d565d2fffcd97d1e2d89669d627cc04e8b8 upstream.

    Disable the new -Wunused-but-set-variable that was added in gcc 4.6.0
    It produces more false positives than useful warnings.

    This can still be enabled using W=1
    [gregkh - No it can not for 2.6.32, but we don't care]

    Signed-off-by: Dave Jones <davej@redhat.com>
    Acked-by: Sam Ravnborg <sam@ravnborg.org>
    Tested-by: Sam Ravnborg <sam@ravnborg.org>
    Signed-off-by: Michal Marek <mmarek@suse.cz>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    Makefile | 3 +++
    1 file changed, 3 insertions(+)

    --- a/Makefile
    +++ b/Makefile
    @@ -537,6 +537,9 @@ ifndef CONFIG_CC_STACKPROTECTOR
    KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector)
    endif

    +# This warning generated too much noise in a regular build.
    +KBUILD_CFLAGS += $(call cc-option, -Wno-unused-but-set-variable)
    +
    ifdef CONFIG_FRAME_POINTER
    KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
    else



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