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perf tools: Fix dependency for version file creation

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The version generated by perf may not be correct by just changing the
head commit, like this:

  $ git log --pretty=format:"%H" -n 1
  b5d9d4708a24ac1889a30e9aedf8af8d73102139
  $ perf -v
  perf version 5.16.gb5d9d4708a24
  $ git reset --hard HEAD^
  HEAD is now at 629f520b265f
  $ make
  ...
  $ ./perf -v
  perf version 5.16.gb5d9d4708a24

The dependency to building PERF-VERSION-FILE should also include ORIG_HEAD,
as this changes when changing the head commit (while HEAD does not).

Signed-off-by: John Garry <john.garry@huawei.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Richter <rric@kernel.org>
Link: https://lore.kernel.org/r/1645449409-158238-2-git-send-email-john.garry@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
John Garry 2022-02-21 21:16:48 +08:00 committed by Arnaldo Carvalho de Melo
parent cd6382d827
commit 4e666cdb06
1 changed files with 2 additions and 2 deletions
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4
tools/perf/Makefile.perf
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@ -691,7 +691,7 @@ $(OUTPUT)common-cmds.h: $(wildcard Documentation/perf-*.txt)
$(SCRIPTS) : % : %.sh
$(QUIET_GEN)$(INSTALL) '$@.sh' '$(OUTPUT)$@'
$(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD
$(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD ../../.git/ORIG_HEAD
$(Q)$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT)
$(Q)touch $(OUTPUT)PERF-VERSION-FILE
@ -1144,7 +1144,7 @@ endif
# then force version regeneration:
#
ifeq ($(wildcard ../../.git/HEAD),)
GIT-HEAD-PHONY = ../../.git/HEAD
GIT-HEAD-PHONY = ../../.git/HEAD ../../.git/ORIG_HEAD
else
GIT-HEAD-PHONY =
endif