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    Subject[tip:locking/core] tools/lib/lockdep: Enable -Wall by default
    Commit-ID:  db8f7796c491a7b0a220a89a4abd9134f3906f43
    Gitweb: http://git.kernel.org/tip/db8f7796c491a7b0a220a89a4abd9134f3906f43
    Author: Ben Hutchings <ben@decadent.org.uk>
    AuthorDate: Thu, 25 May 2017 12:58:36 +0000
    Committer: Ingo Molnar <mingo@kernel.org>
    CommitDate: Mon, 5 Jun 2017 09:28:04 +0200

    tools/lib/lockdep: Enable -Wall by default

    Regressions in liblockdep may be missed because it doesn't enable
    warnings.

    Adding -Wall immediately introduces a lot of warnings, but those will
    be fixed by the following commits.

    Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
    Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: a.p.zijlstra@chello.nl
    Link: http://lkml.kernel.org/r/20170525130005.5947-5-alexander.levin@verizon.com
    Signed-off-by: Ingo Molnar <mingo@kernel.org>
    ---
    tools/lib/lockdep/Makefile | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/tools/lib/lockdep/Makefile b/tools/lib/lockdep/Makefile
    index 3bc0ef9..98d8a5ae 100644
    --- a/tools/lib/lockdep/Makefile
    +++ b/tools/lib/lockdep/Makefile
    @@ -79,6 +79,7 @@ INCLUDES = -I. -I./uinclude -I./include -I../../include $(CONFIG_INCLUDES)
    # Set compile option CFLAGS if not set elsewhere
    CFLAGS ?= -g -DCONFIG_LOCKDEP -DCONFIG_STACKTRACE -DCONFIG_PROVE_LOCKING -DBITS_PER_LONG=__WORDSIZE -DLIBLOCKDEP_VERSION='"$(LIBLOCKDEP_VERSION)"' -rdynamic -O0 -g
    CFLAGS += -fPIC
    +CFLAGS += -Wall

    override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)

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