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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 $(O))
This means that OUTPUT ends in a / and most usages prepend it to a file
without adding an extra /. This line that was changed adds an extra /
before the 'feature' folder but not to the end, resulting in a clean
command like this:
rm -f /tmp/build//featuretest-all.bin ...
After the change the clean command looks like this:
rm -f /tmp/build/feature/test-all.bin ...
Fixes: 762323eb39 ("perf build: Move feature cleanup under tools/build")
Signed-off-by: James Clark <james.clark@arm.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lore.kernel.org/lkml/20210816130705.1331868-1-james.clark@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
55 lines
1.3 KiB
Makefile
55 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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ifeq ($(srctree),)
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srctree := $(patsubst %/,%,$(dir $(CURDIR)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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endif
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include $(srctree)/tools//scripts/Makefile.include
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define allow-override
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$(if $(or $(findstring environment,$(origin $(1))),\
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$(findstring command line,$(origin $(1)))),,\
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$(eval $(1) = $(2)))
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endef
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$(call allow-override,CC,$(CROSS_COMPILE)gcc)
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$(call allow-override,LD,$(CROSS_COMPILE)ld)
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export HOSTCC HOSTLD HOSTAR
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ifeq ($(V),1)
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Q =
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else
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Q = @
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endif
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export Q srctree CC LD
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MAKEFLAGS := --no-print-directory
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build := -f $(srctree)/tools/build/Makefile.build dir=. obj
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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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clean:
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$(call QUIET_CLEAN, fixdep)
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$(Q)find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
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$(Q)rm -f $(OUTPUT)fixdep
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$(call QUIET_CLEAN, feature-detect)
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ifneq ($(wildcard $(TMP_O)),)
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$(Q)$(MAKE) -C feature OUTPUT=$(TMP_O) clean >/dev/null
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endif
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$(OUTPUT)fixdep-in.o: FORCE
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$(Q)$(MAKE) $(build)=fixdep
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$(OUTPUT)fixdep: $(OUTPUT)fixdep-in.o
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$(QUIET_LINK)$(HOSTCC) $(KBUILD_HOSTLDFLAGS) -o $@ $<
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FORCE:
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.PHONY: FORCE
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