1# SPDX-License-Identifier: GPL-2.0-only 2# =========================================================================== 3# Module final link 4# =========================================================================== 5 6PHONY := __modfinal 7__modfinal: 8 9include $(srctree)/scripts/Kbuild.include 10 11# for c_flags 12include $(srctree)/scripts/Makefile.lib 13 14# find all modules listed in modules.order 15modules := $(sort $(shell cat $(MODORDER))) 16 17__modfinal: $(modules) 18 @: 19 20# modname and part-of-module are set to make c_flags define proper module flags 21modname = $(notdir $(@:.mod.o=)) 22part-of-module = y 23 24quiet_cmd_cc_o_c = CC [M] $@ 25 cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 26 27%.mod.o: %.mod.c FORCE 28 $(call if_changed_dep,cc_o_c) 29 30ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink) 31 32quiet_cmd_ld_ko_o = LD [M] $@ 33 cmd_ld_ko_o = \ 34 $(LD) -r $(KBUILD_LDFLAGS) \ 35 $(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \ 36 -T scripts/module.lds -o $@ $(filter %.o, $^); \ 37 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) 38 39$(modules): %.ko: %.o %.mod.o scripts/module.lds FORCE 40 +$(call if_changed,ld_ko_o) 41 42targets += $(modules) $(modules:.ko=.mod.o) 43 44# Add FORCE to the prequisites of a target to force it to be always rebuilt. 45# --------------------------------------------------------------------------- 46 47PHONY += FORCE 48FORCE: 49 50# Read all saved command lines and dependencies for the $(targets) we 51# may be building above, using $(if_changed{,_dep}). As an 52# optimization, we don't need to read them if the target does not 53# exist, we will rebuild anyway in that case. 54 55existing-targets := $(wildcard $(sort $(targets))) 56 57-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) 58 59.PHONY: $(PHONY) 60