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    Subject[PATCH 06/22] perf build: Compare mman.h related headers against kernel originals
    Date
    From: Wang Nan <wangnan0@huawei.com>

    As with other cloned headers, compare the newly introduced mman related
    headers against their source copy in kernel tree.

    Signed-off-by: Wang Nan <wangnan0@huawei.com>
    Cc: Zefan Li <lizefan@huawei.com>
    Cc: pi3orama@163.com
    Link: http://lkml.kernel.org/r/1473684871-209320-4-git-send-email-wangnan0@huawei.com
    [ Added -I to ignore the uapi/ difference ]
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    ---
    tools/perf/Makefile.perf | 9 +++++++++
    1 file changed, 9 insertions(+)

    diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
    index 828cfd766e31..d710db16b963 100644
    --- a/tools/perf/Makefile.perf
    +++ b/tools/perf/Makefile.perf
    @@ -432,6 +432,15 @@ $(PERF_IN): prepare FORCE
    @(test -f ../../include/linux/coresight-pmu.h && ( \
    (diff -B ../include/linux/coresight-pmu.h ../../include/linux/coresight-pmu.h >/dev/null) \
    || echo "Warning: tools/include/linux/coresight-pmu.h differs from kernel" >&2 )) || true
    + @(test -f ../../include/uapi/asm-generic/mman-common.h && ( \
    + (diff -B ../include/uapi/asm-generic/mman-common.h ../../include/uapi/asm-generic/mman-common.h >/dev/null) \
    + || echo "Warning: tools/include/uapi/asm-generic/mman-common.h differs from kernel" >&2 )) || true
    + @(test -f ../../include/uapi/asm-generic/mman.h && ( \
    + (diff -B -I "^#include <\(uapi/\)*asm-generic/mman-common.h>$$" ../include/uapi/asm-generic/mman.h ../../include/uapi/asm-generic/mman.h >/dev/null) \
    + || echo "Warning: tools/include/uapi/asm-generic/mman.h differs from kernel" >&2 )) || true
    + @(test -f ../../include/uapi/linux/mman.h && ( \
    + (diff -B -I "^#include <\(uapi/\)*asm/mman.h>$$" ../include/uapi/linux/mman.h ../../include/uapi/linux/mman.h >/dev/null) \
    + || echo "Warning: tools/include/uapi/linux/mman.h differs from kernel" >&2 )) || true
    $(Q)$(MAKE) $(build)=perf

    $(OUTPUT)perf: $(PERFLIBS) $(PERF_IN) $(LIBTRACEEVENT_DYNAMIC_LIST)
    --
    2.7.4
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