From d41424dc0a28f959c01d336df88e3501e0fc4314 Mon Sep 17 00:00:00 2001
From: laokz <zhangkai@iscas.ac.cn>
Date: Fri, 13 Oct 2023 21:30:10 +0800
Subject: [PATCH] enalbe assembly source for riscv64

Per https://github.com/llvm/llvm-project/issues/59978 ,
the CMakeLists.txt didn't enable ASM language. For riscv64,
some functions are implmented only by some assembly sources.
---
 ...nable-cmake-ASM-language-for-riscv64.patch | 31 +++++++++++++++++++
 llvm-libunwind.spec                           |  7 ++++-
 2 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 1000-enable-cmake-ASM-language-for-riscv64.patch

diff --git a/1000-enable-cmake-ASM-language-for-riscv64.patch b/1000-enable-cmake-ASM-language-for-riscv64.patch
new file mode 100644
index 0000000..ce64294
--- /dev/null
+++ b/1000-enable-cmake-ASM-language-for-riscv64.patch
@@ -0,0 +1,31 @@
+From 60bbf65459741d7f16f43f23166f479b855fb069 Mon Sep 17 00:00:00 2001
+From: laokz <zhangkai@iscas.ac.cn>
+Date: Mon, 23 Oct 2023 11:36:41 +0800
+Subject: [PATCH] enable cmake ASM language for riscv64
+
+Some RISC-V functions are implemented in .S files.
+CMakeLists.txt disable ASM lang by default. Turn it on.
+
+Signed-off-by: laokz <zhangkai@iscas.ac.cn>
+---
+ CMakeLists.txt | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 5a06805..90e8ada 100644
+--- a/a/CMakeLists.txt
++++ a/b/CMakeLists.txt
+@@ -4,6 +4,10 @@
+ 
+ cmake_minimum_required(VERSION 3.13.4)
+ 
++if(CMAKE_SYSTEM_PROCESSOR MATCHES riscv64)
++   enable_language(ASM)
++endif()
++
+ set(LLVM_COMMON_CMAKE_UTILS "${CMAKE_CURRENT_SOURCE_DIR}/../cmake")
+ 
+ # Add path for custom modules
+-- 
+2.42.0
+
diff --git a/llvm-libunwind.spec b/llvm-libunwind.spec
index ba25f2d..deb0d41 100644
--- a/llvm-libunwind.spec
+++ b/llvm-libunwind.spec
@@ -24,7 +24,7 @@
 
 Name:       %{pkg_name}
 Version:    %{libunwind_version}
-Release:    1
+Release:    2
 Summary:    LLVM libunwind
 
 	
@@ -33,6 +33,8 @@ URL:        http://llvm.org
 Source0:    https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libunwind_version}/%{libunwind_srcdir}.tar.xz
 Source1:    https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libunwind_version}/%{libunwind_srcdir}.tar.xz.sig
 
+Patch1000:  1000-enable-cmake-ASM-language-for-riscv64.patch
+
 BuildRequires:  clang
 BuildRequires:  cmake
 BuildRequires:  ninja-build
@@ -120,5 +122,8 @@ popd
 %{install_libdir}/libunwind.a
  
 %changelog
+* Fri Oct 13 2023 laokz <zhangkai@iscas.ac.cn> - 15.0.7-2
+- enable assembly source for riscv64
+
 * Tue Jul 04 2023 cf-zhao <zhaochuanfeng@huawei.com> - 15.0.7-1
 - Initial release
-- 
Gitee