[PATCH 3/3] perf build: Compare mman.h related headers againest kernel

[Wang Nan]

As other clone headers, compare newly introduced mman related headers
againest their source copy in kernel tree.

Signed-off-by: Wang Nan <wangnan0@xxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/Makefile.perf | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 828cfd7..3686f1d 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 ../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 ../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)
-- 
1.8.3.4