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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Masahiro Yamada <yamada.masahiro@socionext.com>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.14 008/121] h8300: use cc-cross-prefix instead of hardcoding h8300-unknown-linux-
Date:   Thu,  4 Apr 2019 10:46:36 +0200
Message-Id: <20190404084545.719737857@linuxfoundation.org>
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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit fc2b47b55f17fd996f7a01975ce1c33c2f2513f6 ]

It believe it is a bad idea to hardcode a specific compiler prefix
that may or may not be installed on a user's system. It is annoying
when testing features that should not require compilers at all.

For example, mrproper, headers_install, etc. should work without
any compiler.

They look like follows on my machine.

$ make ARCH=h8300 mrproper
./scripts/gcc-version.sh: line 26: h8300-unknown-linux-gcc: command not found
./scripts/gcc-version.sh: line 27: h8300-unknown-linux-gcc: command not found
make: h8300-unknown-linux-gcc: Command not found
make: h8300-unknown-linux-gcc: Command not found
  [ a bunch of the same error messages continue ]

$ make ARCH=h8300 headers_install
./scripts/gcc-version.sh: line 26: h8300-unknown-linux-gcc: command not found
./scripts/gcc-version.sh: line 27: h8300-unknown-linux-gcc: command not found
make: h8300-unknown-linux-gcc: Command not found
  HOSTCC  scripts/basic/fixdep
make: h8300-unknown-linux-gcc: Command not found
  WRAP    arch/h8300/include/generated/uapi/asm/kvm_para.h
  [ snip ]

The solution is to delete this line, or to use cc-cross-prefix like
some architectures do. I chose the latter as a moderate fixup.

I added an alternative 'h8300-linux-' because it is available at:

https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_64/8.1.0/

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/h8300/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/h8300/Makefile b/arch/h8300/Makefile
index e1c02ca230cb..073bba6f9f60 100644
--- a/arch/h8300/Makefile
+++ b/arch/h8300/Makefile
@@ -23,7 +23,7 @@ KBUILD_AFLAGS += $(aflags-y)
 LDFLAGS += $(ldflags-y)
 
 ifeq ($(CROSS_COMPILE),)
-CROSS_COMPILE := h8300-unknown-linux-
+CROSS_COMPILE := $(call cc-cross-prefix, h8300-unknown-linux- h8300-linux-)
 endif
 
 core-y	+= arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
-- 
2.19.1