Hi Masahiro, I don't know if that has anything to changes in the kbuild system, but since Tuesday, I have been getting random build errors that go away after I remove the object directory and build again. The latest example is this: include/linux/kconfig.h: file not recognized: file format not recognized make[2]: *** [scripts/Makefile.build:492: crypto/crypto_user.o] Error 1 make[1]: *** [Makefile:1057: crypto] Error 2 make: *** [Makefile:152: sub-make] Error 2 Command exited with non-zero status 2 It is always complaining about a .h file ... Makefile:152 is the MAKE lien below: # Invoke a second make in the output directory, passing relevant variables sub-make: $(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \ -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS)) Makefile:1057 is the MAKE line below: PHONY += $(vmlinux-dirs) $(vmlinux-dirs): prepare scripts $(Q)$(MAKE) $(build)=$@ need-builtin=1 scripts/Makefile.build:492 is the if_changed line below: $(multi-used-m): FORCE $(call if_changed,link_multi-m) @{ echo $(@:.o=.ko); echo $(filter-out FORCE,$^); \ $(cmd_undef_syms); } > $(MODVERDIR)/$(@F:.o=.mod) $(call multi_depend, $(multi-used-m), .o, -objs -y -m) Not sure what else I can tell you. -- Cheers, Stephen Rothwell
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