Re: [PATCH] powerpc/Makefile: use $(objtree) for crtsavres.o
From: Christophe Leroy <hidden>
Date: 2025-09-22 13:20:34
Also in:
lkml, stable
Le 19/09/2025 à 14:14, A. Sverdlin a écrit :
[Vous ne recevez pas souvent de courriers de alexander.sverdlin@siemens.com. Découvrez pourquoi ceci est important à https://aka.ms/LearnAboutSenderIdentification ] From: Alexander Sverdlin <alexander.sverdlin@siemens.com> ... otherwise it could be problematic to build external modules: make[2]: Entering directory '.../kernel-module-hello-world' | CC [M] hello-world.o | MODPOST Module.symvers | CC [M] hello-world.mod.o | CC [M] .module-common.o | LD [M] hello-world.ko | powerpc-poky-linux-ld.bfd: cannot find arch/powerpc/lib/crtsavres.o: No such file or directory Fixes: da3de6df33f5 ("[POWERPC] Fix -Os kernel builds with newer gcc versions") Cc: stable@vger.kernel.org Signed-off-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
This change is already done it seems, see https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20250218-buildfix-extmod-powerpc-v2-1-1e78fcf12b56@efficios.com/
quoted hunk ↗ jump to hunk
--- arch/powerpc/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 9753fb87217c3..a58b1029592ce 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile@@ -58,7 +58,7 @@ ifeq ($(CONFIG_PPC64)$(CONFIG_LD_IS_BFD),yy) # There is a corresponding test in arch/powerpc/lib/Makefile KBUILD_LDFLAGS_MODULE += --save-restore-funcs else -KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o +KBUILD_LDFLAGS_MODULE += $(objtree)/arch/powerpc/lib/crtsavres.o endif ifdef CONFIG_CPU_LITTLE_ENDIAN --2.51.0