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kbuild: modpost on vmlinux regardless of CONFIG_MODULES
Based on patch from: Magnus Damm <magnus@valinux.co.jp> This has the advantage that all section mismatch checks are run regardless of modules being enabled or not. When running modpost on vmlinux output: MODPOST vmlinux When running modpost on modules output count of modules like this: MODPOST 5 modules Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Makefile
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Makefile
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@ -736,6 +736,7 @@ endif # ifdef CONFIG_KALLSYMS
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# vmlinux image - including updated kernel symbols
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vmlinux: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) $(kallsyms.o) FORCE
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$(call if_changed_rule,vmlinux__)
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$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $@
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$(Q)rm -f .old_version
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# The actual objects are generated when descending,
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@ -19,7 +19,7 @@ always := $(hostprogs-y)
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hostprogs-y += unifdef
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subdir-$(CONFIG_MODVERSIONS) += genksyms
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subdir-$(CONFIG_MODULES) += mod
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subdir-y += mod
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# Let clean descend into subdirs
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subdir- += basic kconfig package
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@ -51,19 +51,25 @@ _modpost: $(modules)
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# Step 2), invoke modpost
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# Includes step 3,4
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quiet_cmd_modpost = MODPOST
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quiet_cmd_modpost = MODPOST $(words $(filter-out vmlinux FORCE, $^)) modules
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cmd_modpost = scripts/mod/modpost \
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$(if $(CONFIG_MODVERSIONS),-m) \
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$(if $(CONFIG_MODULE_SRCVERSION_ALL),-a,) \
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$(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile) \
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$(if $(KBUILD_EXTMOD),-I $(modulesymfile)) \
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$(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \
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$(filter-out FORCE,$^)
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$(wildcard vmlinux) $(filter-out FORCE,$^)
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PHONY += __modpost
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__modpost: $(wildcard vmlinux) $(modules:.ko=.o) FORCE
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__modpost: $(modules:.ko=.o) FORCE
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$(call cmd,modpost)
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quiet_cmd_kernel-mod = MODPOST $@
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cmd_kernel-mod = $(cmd_modpost)
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vmlinux: FORCE
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$(call cmd,kernel-mod)
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# Declare generated files as targets for modpost
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$(symverfile): __modpost ;
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$(modules:.ko=.mod.c): __modpost ;
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