include $(srctree)/scripts/Makefile.lib
# find all modules listed in modules.order
-modules := $(sort $(shell cat $(MODORDER)))
+modules := $(call read-file, $(MODORDER))
-__modfinal: $(modules)
+__modfinal: $(modules:%.o=%.ko)
@:
# modname and part-of-module are set to make c_flags define proper module flags
printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:)
# Re-generate module BTFs if either module's .ko or vmlinux changed
-$(modules): %.ko: %.o %.mod.o scripts/module.lds $(and $(CONFIG_DEBUG_INFO_BTF_MODULES),$(KBUILD_BUILTIN),vmlinux) FORCE
+%.ko: %.o %.mod.o scripts/module.lds $(and $(CONFIG_DEBUG_INFO_BTF_MODULES),$(KBUILD_BUILTIN),vmlinux) FORCE
+$(call if_changed_except,ld_ko_o,vmlinux)
ifdef CONFIG_DEBUG_INFO_BTF_MODULES
+$(if $(newer-prereqs),$(call cmd,btf_ko))
endif
-targets += $(modules) $(modules:.ko=.mod.o)
+targets += $(modules:%.o=%.ko) $(modules:%.o=%.mod.o)
# Add FORCE to the prequisites of a target to force it to be always rebuilt.
# ---------------------------------------------------------------------------