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Message-Id: <20210628143004.32596-9-sashal@kernel.org>
Date:   Mon, 28 Jun 2021 10:29:01 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Sami Tolvanen <samitolvanen@...gle.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <natechancellor@...il.com>,
        Sedat Dilek <sedat.dilek@...il.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH 5.4 08/71] kbuild: add CONFIG_LD_IS_LLD

From: Sami Tolvanen <samitolvanen@...gle.com>

commit b744b43f79cc758127042e71f9ad7b1afda30f84 upstream.

Similarly to the CC_IS_CLANG config, add LD_IS_LLD to avoid GNU ld
specific logic such as ld-version or ld-ifversion and gain the
ability to select potential features that depend on the linker at
configuration time such as LTO.

Signed-off-by: Sami Tolvanen <samitolvanen@...gle.com>
Acked-by: Masahiro Yamada <masahiroy@...nel.org>
[nc: Reword commit message]
Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
Tested-by: Sedat Dilek <sedat.dilek@...il.com>
Reviewed-by: Sedat Dilek <sedat.dilek@...il.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 init/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/init/Kconfig b/init/Kconfig
index 4f9fd78e2200..f23e90d9935f 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -20,6 +20,9 @@ config GCC_VERSION
 config CC_IS_CLANG
 	def_bool $(success,$(CC) --version | head -n 1 | grep -q clang)
 
+config LD_IS_LLD
+	def_bool $(success,$(LD) -v | head -n 1 | grep -q LLD)
+
 config CLANG_VERSION
 	int
 	default $(shell,$(srctree)/scripts/clang-version.sh $(CC))
-- 
2.30.2

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