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5e50426d5d
Adding OUTPUT path prefix for fixdep target so we use it properly in out
of tree builds.
If the fixdep already existed in the tree, the out of tree build would
see it already exist and did not build the out of tree version, as
reported by Arnaldo:
[acme@zoo linux]$ make O=/tmp/build/perf -C tools/perf
make: Entering directory '/home/git/linux/tools/perf'
BUILD: Doing 'make -j4' parallel build
make[2]: Nothing to be done for 'fixdep'.
make: Leaving directory '/home/git/linux/tools/perf'
Reported-and-Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20151126185055.GC19410@krava.brq.redhat.com
[ Fixed conflict with 5725dd8fa888 ("tools build: Clean CFLAGS and LDFLAGS for fixdep") ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
44 lines
914 B
Makefile
44 lines
914 B
Makefile
ifeq ($(srctree),)
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srctree := $(patsubst %/,%,$(dir $(shell pwd)))
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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,$(CROSS_COMPILE)ld)
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ifeq ($(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: $(OUTPUT)fixdep
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clean:
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$(call QUIET_CLEAN, fixdep)
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$(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
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$(Q)rm -f fixdep
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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)$(CC) $(LDFLAGS) -o $@ $<
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FORCE:
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.PHONY: FORCE
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