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Date: Thu, 15 Mar 2018 22:32:22 -0400 (EDT) From: Nicolas Pitre <nicolas.pitre@...aro.org> To: Masahiro Yamada <yamada.masahiro@...ionext.com> cc: linux-kbuild@...r.kernel.org, Michal Marek <michal.lkml@...kovi.net>, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 7/7] kbuild: link vmlinux only once for CONFIG_TRIM_UNUSED_KSYMS On Fri, 16 Mar 2018, Masahiro Yamada wrote: > +# Recurse until adjust_autoksyms.sh is satisfied > +PHONY += autoksyms_recursive > +autoksyms_recursive: $(vmlinux-deps) > + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh \ > "$(MAKE) -f $(srctree)/Makefile vmlinux" > -endif > > # For the kernel to actually contain only the needed exported symbols, > # we have to build modules as well to determine what those symbols are. > @@ -1034,7 +1024,13 @@ cmd_link-vmlinux = \ > $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) ; \ > $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) > > -vmlinux: scripts/link-vmlinux.sh vmlinux_prereq $(vmlinux-deps) FORCE > +vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE Don't you have to make the autoksyms_recursive dependency conditional on CONFIG_TRIM_UNUSED_KSYMS? Nicolas
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