| 1 | PHONY := __default |
| 2 | __default: |
| 3 | |
| 4 | include include/config/auto.conf |
| 5 | include $(srctree)/scripts/Kbuild.include |
| 6 | include $(srctree)/scripts/Makefile.lib |
| 7 | |
| 8 | native-objs := $(patsubst %.o,%.thinlto-native.o,$(call read-file, vmlinux.thinlto-index)) |
| 9 | |
| 10 | __default: $(native-objs) |
| 11 | |
| 12 | # Generate .thinlto-native.o (obj) from .o (bitcode) and .thinlto.bc (summary) files |
| 13 | # --------------------------------------------------------------------------- |
| 14 | quiet_cmd_cc_o_bc = CC $(quiet_modtag) $@ |
| 15 | be_flags = $(shell sed -n '/saved_c_flags_/s/.*:= //p' \ |
| 16 | $(dir $(<)).$(notdir $(<)).cmd) |
| 17 | cmd_cc_o_bc = \ |
| 18 | $(CC) $(be_flags) -x ir -fno-lto -Wno-unused-command-line-argument \ |
| 19 | -fthinlto-index=$(word 2, $^) -c -o $@ $< |
| 20 | |
| 21 | targets += $(native-objs) |
| 22 | $(native-objs): %.thinlto-native.o: %.o %.o.thinlto.bc FORCE |
| 23 | $(call if_changed,cc_o_bc) |
| 24 | |
| 25 | # Add FORCE to the prerequisites of a target to force it to be always rebuilt. |
| 26 | # --------------------------------------------------------------------------- |
| 27 | |
| 28 | PHONY += FORCE |
| 29 | FORCE: |
| 30 | |
| 31 | # Read all saved command lines and dependencies for the $(targets) we |
| 32 | # may be building above, using $(if_changed{,_dep}). As an |
| 33 | # optimization, we don't need to read them if the target does not |
| 34 | # exist, we will rebuild anyway in that case. |
| 35 | |
| 36 | existing-targets := $(wildcard $(sort $(targets))) |
| 37 | |
| 38 | -include $(foreach f, $(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) |
| 39 | |
| 40 | .PHONY: $(PHONY) |