linux-kernel - ARCH=arm64 build breakage for Kbuild for-next branch

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Date:   Wed, 3 Jun 2020 13:11:59 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: ARCH=arm64 build breakage for Kbuild for-next branch

Hi Stephen,

If you pull the latest kbuild for-next branch,
ARCH=arm64 will fail to build.

I will fix it soon.

For today's linux-next, you can patch
as follows.
(or, you can use the old branch)


diff --git a/Makefile b/Makefile
index f80c4ff93ec9..fbb4b95ae648 100644
--- a/Makefile
+++ b/Makefile
@@ -1074,7 +1074,7 @@ build-dirs        := $(vmlinux-dirs)
 clean-dirs     := $(vmlinux-alldirs)

 # Externally visible symbols (used by link-vmlinux.sh)
-KBUILD_VMLINUX_OBJS := $(head-y) $(addsuffix built-in.a, $(core-y))
+KBUILD_VMLINUX_OBJS := $(head-y) $(patsubst %/,%/built-in.a, $(core-y))
 KBUILD_VMLINUX_OBJS += $(addsuffix built-in.a, $(filter %/, $(libs-y)))
 ifdef CONFIG_MODULES
 KBUILD_VMLINUX_OBJS += $(patsubst %/, %/lib.a, $(filter %/, $(libs-y)))


Thanks.

-- 
Best Regards
Masahiro Yamada