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PHONY := __default

__default:

include include/config/auto.conf

include $(srctree)/scripts/Kbuild.include

include $(srctree)/scripts/Makefile.lib

native-objs := $(patsubst %.o,%.thinlto-native.o,$(call read-file, vmlinux.thinlto-index))

__default: $(native-objs)

# Generate .thinlto-native.o (obj) from .o (bitcode) and .thinlto.bc (summary) files

# ---------------------------------------------------------------------------

quiet_cmd_cc_o_bc = CC $(quiet_modtag) $@

be_flags = $(shell sed -n '/saved_c_flags_/s/.*:= //p' \

$(dir $(<)).$(notdir $(<)).cmd)

cmd_cc_o_bc = \

$(CC) $(be_flags) -x ir -fno-lto -Wno-unused-command-line-argument \

-fthinlto-index=$(word 2, $^) -c -o $@ $<

targets += $(native-objs)

$(native-objs): %.thinlto-native.o: %.o %.o.thinlto.bc FORCE

$(call if_changed,cc_o_bc)

# Add FORCE to the prerequisites of a target to force it to be always rebuilt.

# ---------------------------------------------------------------------------

PHONY += FORCE

FORCE:

# Read all saved command lines and dependencies for the $(targets) we

# may be building above, using $(if_changed{,_dep}). As an

# optimization, we don't need to read them if the target does not

# exist, we will rebuild anyway in that case.

existing-targets := $(wildcard $(sort $(targets)))

-include $(foreach f, $(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)

.PHONY: $(PHONY)