Re: [PATCH v3 2/2] sparc/build: Add SPARC target flags for compiling with clang
From: Nathan Chancellor
Date: Tue Oct 29 2024 - 18:24:56 EST
On Tue, Oct 29, 2024 at 09:49:08PM +0700, Koakuma via B4 Relay wrote:
> From: Koakuma <koachan@xxxxxxxxxxxxxx>
>
> clang only supports building 64-bit kernel, so we use the
> sparc64-linux-gnu target.
>
> See also: https://lore.kernel.org/lkml/e26PTXUXEz8OYXmaeKn4Mpuejr4IOlFfFwdB5vpsluXlYiqDdlyQTYcDtdAny_o4gO4SfPeQCCN2qpyT6e0nog5EaP3xk2SeUPTrF54p1gM=@protonmail.com/T/#m068e010dcf8b99d3510a90d7532bcdb70e2e2c6b
>
> Signed-off-by: Koakuma <koachan@xxxxxxxxxxxxxx>
Acked-by: Nathan Chancellor <nathan@xxxxxxxxxx>
> ---
> Documentation/kbuild/llvm.rst | 3 +++
> scripts/Makefile.clang | 1 +
> 2 files changed, 4 insertions(+)
>
> diff --git a/Documentation/kbuild/llvm.rst b/Documentation/kbuild/llvm.rst
> index 6dc66b4f31a7bb62ba5bb6174730dc0a69ee0bba..bc8a283bc44bbfa9948ad3c9fe8031269ce10be4 100644
> --- a/Documentation/kbuild/llvm.rst
> +++ b/Documentation/kbuild/llvm.rst
> @@ -179,6 +179,9 @@ yet. Bug reports are always welcome at the issue tracker below!
> * - s390
> - Maintained
> - ``LLVM=1`` (LLVM >= 18.1.0), ``CC=clang`` (LLVM < 18.1.0)
> + * - sparc (sparc64 only)
> + - Maintained
> + - ``CC=clang LLVM_IAS=0`` (LLVM >= 20)
> * - um (User Mode)
> - Maintained
> - ``LLVM=1``
> diff --git a/scripts/Makefile.clang b/scripts/Makefile.clang
> index 6c23c6af797fb016232914589c948208345417ad..2435efae67f53a26d55a1c0f1bf254a49d9fc731 100644
> --- a/scripts/Makefile.clang
> +++ b/scripts/Makefile.clang
> @@ -10,6 +10,7 @@ CLANG_TARGET_FLAGS_mips := mipsel-linux-gnu
> CLANG_TARGET_FLAGS_powerpc := powerpc64le-linux-gnu
> CLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu
> CLANG_TARGET_FLAGS_s390 := s390x-linux-gnu
> +CLANG_TARGET_FLAGS_sparc := sparc64-linux-gnu
> CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu
> CLANG_TARGET_FLAGS_um := $(CLANG_TARGET_FLAGS_$(SUBARCH))
> CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(SRCARCH))
>
> --
> 2.47.0
>
>