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Date: Mon, 24 Jun 2019 01:13:27 +0900 From: Masahiro Yamada <yamada.masahiro@...ionext.com> To: linux-kbuild@...r.kernel.org Cc: Masahiro Yamada <yamada.masahiro@...ionext.com>, Michal Marek <michal.lkml@...kovi.net>, linux-kernel@...r.kernel.org Subject: [PATCH 1/2] kbuild: fix missed rebuild of modules.builtin Unlike modules.order, modules.builtin is not rebuilt every time. Once modules.builtin is created, it will not be updated until auto.conf or tristate.conf is changed. So, it misses to notice a change in Makefile, for example, renaming of modules. Kbuild must always descend into directories for modules.builtin too. Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com> --- Makefile | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/Makefile b/Makefile index 9514dac2660a..19c33bc69bb1 100644 --- a/Makefile +++ b/Makefile @@ -1289,12 +1289,16 @@ modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $(Q)$(CONFIG_SHELL) $(srctree)/scripts/modules-check.sh -modules.builtin: $(vmlinux-dirs:%=%/modules.builtin) - $(Q)$(AWK) '!x[$$0]++' $^ > $(objtree)/modules.builtin +modbuiltin-dirs := $(addprefix _modbuiltin_, $(vmlinux-dirs)) -%/modules.builtin: include/config/auto.conf include/config/tristate.conf - $(Q)$(MAKE) $(modbuiltin)=$* +modules.builtin: $(modbuiltin-dirs) + $(Q)$(AWK) '!x[$$0]++' $(addsuffix /$@, $(vmlinux-dirs)) > $@ +PHONY += $(modbuiltin-dirs) +# tristate.conf is not included from this Makefile. Add it as a prerequisite +# here to make it self-healing in case somebody accidentally removes it. +$(modbuiltin-dirs): include/config/tristate.conf + $(Q)$(MAKE) $(modbuiltin)=$(patsubst _modbuiltin_%,%,$@) # Target to prepare building external modules PHONY += modules_prepare -- 2.17.1
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