linux-kernel - [PATCH] powerpc/Makefile: use $(objtree) for crtsavres.o

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Message-ID: <20250919121417.1601020-1-alexander.sverdlin@siemens.com>
Date: Fri, 19 Sep 2025 14:14:12 +0200
From: "A. Sverdlin" <alexander.sverdlin@...mens.com>
To: linuxppc-dev@...ts.ozlabs.org
Cc: Alexander Sverdlin <alexander.sverdlin@...mens.com>,
	Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	linux-kernel@...r.kernel.org,
	Peter Marko <peter.marko@...mens.com>,
	stable@...r.kernel.org
Subject: [PATCH] powerpc/Makefile: use $(objtree) for crtsavres.o

From: Alexander Sverdlin <alexander.sverdlin@...mens.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@...r.kernel.org
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@...mens.com>
---
 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