%global maj_ver 12
%global min_ver 0
%global patch_ver 1
%global debug_package %{nil}

Name:           llvm-libunwind
Version:        12.0.1
Release:        2
Summary:        LLVM "libunwind" runtime libraries
License:        BSD
URL:            http://llvm.org
Source0:        https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}/libunwind-%{version}.src.tar.xz

Patch0:         0001-libunwind-standalone-build.patch

BuildRequires:  gcc
BuildRequires:  gcc-c++
BuildRequires:  cmake
BuildRequires:  python3
BuildRequires:  llvm-devel

%description
The libunwind-devel package includes the libraries and header files for
libunwind.

%package devel
Summary:    LLVM libunwind development files
Provides:   libunwind(major) = %{maj_ver}
Requires:   %{name}%{?_isa} = %{version}-%{release}
 
%description devel
Static and unversioned shared libraries for LLVM libunwind


%prep
%autosetup -n libunwind-%{version}.src -p2

%build
mkdir -p _build
cd _build

cmake \
        -DLLVM_CMAKE_PATH=%{_libdir}/cmake/llvm \
        -DCMAKE_INSTALL_PREFIX=%{_prefix} \
        -DCMAKE_BUILD_TYPE=RelWithDebInfo \
        -DLIBUNWIND_ENABLE_STATIC=OFF \
%if 0%{?__isa_bits} == 64
        -DLLVM_LIBDIR_SUFFIX=64 \
%else
        -DLLVM_LIBDIR_SUFFIX= \
%endif
  ..

%make_build

%install
cd _build
%make_install

# We can't install on default location because that would conflict with
# https://gitee.com/src-openeuler/libunwind
# ABI wise, even though llvm-libunwind's library is named libunwind, it doesn't
# have the exact same ABI has gcc's libunwind (it actually provides a subset).
mkdir -p %{buildroot}/%{_libdir}/llvm-unwind/
mv %{buildroot}%{_libdir}/libunwind* %{buildroot}/%{_libdir}/llvm-unwind/
 

%files
%license LICENSE.TXT
%dir %{_libdir}/llvm-unwind
%{_libdir}/llvm-unwind/libunwind.so.*
 
%files devel
%{_libdir}/llvm-unwind/libunwind.so
 

%changelog
* Tue Mar 12 2024 Wang Zehong <wangzehong2@huawei.com> - 12.0.1-2
- update to 12.0.1-2

* Tue Feb 7 2023 Wang Zehong <wangzehong2@huawei.com> - 12.0.1-1
- update to 12.0.1-1