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tools build: Fix feature detect clean for out of source builds
[ Upstream commit8af52e6977
] 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>
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@ -32,7 +32,7 @@ all: $(OUTPUT)fixdep
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# Make sure there's anything to clean,
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# feature contains check for existing OUTPUT
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TMP_O := $(if $(OUTPUT),$(OUTPUT)/feature,./)
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TMP_O := $(if $(OUTPUT),$(OUTPUT)feature/,./)
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clean:
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$(call QUIET_CLEAN, fixdep)
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