From f6dee26d26e3ef2a00620703fb5bf272dd459f47 Mon Sep 17 00:00:00 2001
From: Koakuma <koachan@protonmail.com>
Date: Tue, 29 Oct 2024 21:49:08 +0700
Subject: [PATCH] sparc/build: Add SPARC target flags for compiling with clang
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@protonmail.com>
Acked-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
Link: https://lore.kernel.org/r/20241029-sparc-cflags-v3-2-b28745a6bd71@protonmail.com
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
---
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 6dc66b4f31a7b..bc8a283bc44bb 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 6c23c6af797fb..2435efae67f53 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))
--
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