| 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) |