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tools build: Fix feature detect clean for out of source builds

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[ Upstream commit 8af52e6977 ]

Currently the clean target when using O= isn't cleaning the feature
detect output. This is because O= and OUTPUT= are set to canonical
paths. For example in tools/perf/Makefile:

  FULL_O := $(shell cd $(PWD); readlink -f $(O) || echo $(O))

This means that OUTPUT ends in a / and most usages prepend it to a file
without adding an extra /. This line that was changed adds an extra /
before the 'feature' folder but not to the end, resulting in a clean
command like this:

  rm -f /tmp/build//featuretest-all.bin ...

After the change the clean command looks like this:

  rm -f /tmp/build/feature/test-all.bin ...

Fixes: 762323eb39 ("perf build: Move feature cleanup under tools/build")
Signed-off-by: James Clark <james.clark@arm.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lore.kernel.org/lkml/20210816130705.1331868-1-james.clark@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
James Clark 2021-08-16 14:07:05 +01:00 • committed by Greg Kroah-Hartman
parent e67dcd6556
commit 122a20d062
1 changed files with 1 additions and 1 deletions
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2
tools/build/Makefile
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@ -32,7 +32,7 @@ all: $(OUTPUT)fixdep
# Make sure there's anything to clean,
# feature contains check for existing OUTPUT
TMP_O := $(if $(OUTPUT),$(OUTPUT)/feature,./)
TMP_O := $(if $(OUTPUT),$(OUTPUT)feature/,./)
clean:
$(call QUIET_CLEAN, fixdep)