From e2bb45edcc61989a6c748a480c52079e70eded52 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Sun, 21 Jun 2020 21:48:35 +0300
Subject: [PATCH] kbuild: clear LDFLAGS in the top Makefile

The kernel needs to be compiled as a LP64 binary for ARM64, even when
using a compiler that defaults to code-generation for the ILP32 ABI.
Consequently, we need to explicitly pass '-mabi=lp64' (supported on
gcc-4.9 and newer).

Signed-off-by: Andrew Pinski <Andrew.Pinski@caviumnetworks.com>
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Yury Norov <ynorov@caviumnetworks.com>
Reviewed-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Change-Id: Ife00e01e3e3a6d85841b88c2f1a042617bd61500
---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index 5b032118442f..928ff1f152ae 100644
--- a/Makefile
+++ b/Makefile
@@ -418,6 +418,7 @@ KBUILD_AFLAGS_MODULE  := -DMODULE
 KBUILD_CFLAGS_MODULE  := -DMODULE
 KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds
 GCC_PLUGINS_CFLAGS :=
+LDFLAGS :=
 CLANG_FLAGS :=
 
 # Read KERNELRELEASE from include/config/kernel.release (if it exists)
-- 
2.20.1