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