1*9f2aee8fSRong XuPHONY := __default 2*9f2aee8fSRong Xu__default: 3*9f2aee8fSRong Xu 4*9f2aee8fSRong Xuinclude include/config/auto.conf 5*9f2aee8fSRong Xuinclude $(srctree)/scripts/Kbuild.include 6*9f2aee8fSRong Xuinclude $(srctree)/scripts/Makefile.lib 7*9f2aee8fSRong Xu 8*9f2aee8fSRong Xunative-objs := $(patsubst %.o,%.thinlto-native.o,$(call read-file, vmlinux.thinlto-index)) 9*9f2aee8fSRong Xu 10*9f2aee8fSRong Xu__default: $(native-objs) 11*9f2aee8fSRong Xu 12*9f2aee8fSRong Xu# Generate .thinlto-native.o (obj) from .o (bitcode) and .thinlto.bc (summary) files 13*9f2aee8fSRong Xu# --------------------------------------------------------------------------- 14*9f2aee8fSRong Xuquiet_cmd_cc_o_bc = CC $(quiet_modtag) $@ 15*9f2aee8fSRong Xu be_flags = $(shell sed -n '/saved_c_flags_/s/.*:= //p' \ 16*9f2aee8fSRong Xu $(dir $(<)).$(notdir $(<)).cmd) 17*9f2aee8fSRong Xu cmd_cc_o_bc = \ 18*9f2aee8fSRong Xu $(CC) $(be_flags) -x ir -fno-lto -Wno-unused-command-line-argument \ 19*9f2aee8fSRong Xu -fthinlto-index=$(word 2, $^) -c -o $@ $< 20*9f2aee8fSRong Xu 21*9f2aee8fSRong Xutargets += $(native-objs) 22*9f2aee8fSRong Xu$(native-objs): %.thinlto-native.o: %.o %.o.thinlto.bc FORCE 23*9f2aee8fSRong Xu $(call if_changed,cc_o_bc) 24*9f2aee8fSRong Xu 25*9f2aee8fSRong Xu# Add FORCE to the prerequisites of a target to force it to be always rebuilt. 26*9f2aee8fSRong Xu# --------------------------------------------------------------------------- 27*9f2aee8fSRong Xu 28*9f2aee8fSRong XuPHONY += FORCE 29*9f2aee8fSRong XuFORCE: 30*9f2aee8fSRong Xu 31*9f2aee8fSRong Xu# Read all saved command lines and dependencies for the $(targets) we 32*9f2aee8fSRong Xu# may be building above, using $(if_changed{,_dep}). As an 33*9f2aee8fSRong Xu# optimization, we don't need to read them if the target does not 34*9f2aee8fSRong Xu# exist, we will rebuild anyway in that case. 35*9f2aee8fSRong Xu 36*9f2aee8fSRong Xuexisting-targets := $(wildcard $(sort $(targets))) 37*9f2aee8fSRong Xu 38*9f2aee8fSRong Xu-include $(foreach f, $(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) 39*9f2aee8fSRong Xu 40*9f2aee8fSRong Xu.PHONY: $(PHONY) 41