diff options
Diffstat (limited to 'tools/perf/Makefile.perf')
| -rw-r--r-- | tools/perf/Makefile.perf | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index d0a2cb11296f..5e5f8cb1dd83 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -345,6 +345,9 @@ export srctree OUTPUT RM CC LD AR CFLAGS V BISON FLEX AWK include $(srctree)/tools/build/Makefile.include $(PERF_IN): prepare FORCE + @(test -f ../../include/uapi/linux/perf_event.h && ( \ + (diff -B ../include/uapi/linux/perf_event.h ../../include/uapi/linux/perf_event.h >/dev/null) \ + || echo "Warning: tools/include/uapi/linux/perf_event.h differs from kernel" >&2 )) || true $(Q)$(MAKE) $(build)=perf $(OUTPUT)perf: $(PERFLIBS) $(PERF_IN) $(LIBTRACEEVENT_DYNAMIC_LIST) |