linux-kernel - [PATCH] powerpc: add crtsavres.o to always-y instead of extra-y

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Message-Id: <20231120232332.4100288-1-masahiroy@kernel.org>
Date:   Tue, 21 Nov 2023 08:23:32 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        linuxppc-dev@...ts.ozlabs.org
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev
Subject: [PATCH] powerpc: add crtsavres.o to always-y instead of extra-y

crtsavres.o is linked to modules. However, as explained in commit
d0e628cd817f ("kbuild: doc: clarify the difference between extra-y
and always-y"), 'make modules' does not build extra-y.

For example, the following command fails:

  $ make ARCH=powerpc LLVM=1 KBUILD_MODPOST_WARN=1 mrproper ps3_defconfig modules
    [snip]
    LD [M]  arch/powerpc/platforms/cell/spufs/spufs.ko
  ld.lld: error: cannot open arch/powerpc/lib/crtsavres.o: No such file or directory
  make[3]: *** [scripts/Makefile.modfinal:56: arch/powerpc/platforms/cell/spufs/spufs.ko] Error 1
  make[2]: *** [Makefile:1844: modules] Error 2
  make[1]: *** [/home/masahiro/workspace/linux-kbuild/Makefile:350: __build_one_by_one] Error 2
  make: *** [Makefile:234: __sub-make] Error 2

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 arch/powerpc/lib/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 51ad0397c17a..6eac63e79a89 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -45,7 +45,7 @@ obj-$(CONFIG_FUNCTION_ERROR_INJECTION)	+= error-inject.o
 # so it is only needed for modules, and only for older linkers which
 # do not support --save-restore-funcs
 ifndef CONFIG_LD_IS_BFD
-extra-$(CONFIG_PPC64)	+= crtsavres.o
+always-$(CONFIG_PPC64)	+= crtsavres.o
 endif
 
 obj-$(CONFIG_PPC_BOOK3S_64) += copyuser_power7.o copypage_power7.o \
-- 
2.40.1