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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)
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