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Subject[PATCH AUTOSEL 4.19 002/192] h8300: use cc-cross-prefix instead of hardcoding h8300-unknown-linux-
Date
From: Masahiro Yamada <yamada.masahiro@socionext.com>

[ 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 58634e6bae92..55f251810129 100644
--- a/arch/h8300/Makefile
+++ b/arch/h8300/Makefile
@@ -27,7 +27,7 @@ KBUILD_LDFLAGS += $(ldflags-y)
CHECKFLAGS += -msize-long

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
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