diff --git a/CMakeLists.txt b/CMakeLists.txt
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index 0000000000000000000000000000000000000000..4cf4ac1e93bd51711e6de8ae9cecf40113134a3c
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 3.13.4)
+project(Runtimes C CXX ASM)
+add_subdirectory(libcxxabi)
+add_subdirectory(libcxx)
+
diff --git a/libcxx-15.0.7.src.tar.xz b/libcxx-15.0.7.src.tar.xz
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diff --git a/libcxx.spec b/libcxx.spec
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index 0000000000000000000000000000000000000000..1a9ff97e441795d944007357b14155f5a2b388bc
--- /dev/null
+++ b/libcxx.spec
@@ -0,0 +1,143 @@
+%bcond_without sys_llvm
+%bcond_without check
+
+%global debug_package %{nil}
+
+%global maj_ver 15
+%global min_ver 0
+%global patch_ver 7
+%global libcxx_version %{maj_ver}.%{min_ver}.%{patch_ver}
+%global libcxx_srcdir libcxx-%{libcxx_version}.src
+%global libcxxabi_srcdir libcxxabi-%{libcxx_version}.src
+
+%if %{with sys_llvm}
+%global pkg_name libcxx
+%global install_prefix %{_prefix}
+%else
+%global pkg_name libcxx%{maj_ver}
+%global bin_suffix -%{maj_ver}
+%global install_prefix %{_libdir}/%{name}
+%endif
+
+%if 0%{?__isa_bits} == 64
+%global install_libdir %{install_prefix}/lib64
+%else
+%global install_libdir %{install_prefix}/lib
+%endif
+%global install_includedir %{install_prefix}/include
+
+Name:		%{pkg_name}
+Version:	%{libcxx_version}
+Release:	1
+Summary:	llvm C++ standard library
+
+License:    Apache License 2.0
+URL:        http://llvm.org
+Source0:    https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libcxx_version}/%{libcxx_srcdir}.tar.xz
+Source1:    https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libcxx_version}/%{libcxx_srcdir}.tar.xz.sig
+Source2:    https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libcxx_version}/%{libcxxabi_srcdir}.tar.xz
+Source3:    https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libcxx_version}/%{libcxxabi_srcdir}.tar.xz.sig
+Source4:	CMakeLists.txt
+
+BuildRequires:  clang
+BuildRequires:  cmake
+BuildRequires:  ninja-build
+BuildRequires:  llvm-devel llvm-static
+BuildRequires:	python3
+
+Requires: libcxxabi = %{version}-%{release}
+	
+%description
+libc++ is a new implementation of the C++ standard library, targeting C++11.
+
+%package devel
+Summary:	Headers and libraries for libcxx devel
+Requires:	%{name} = %{version}-%{release}
+Requires:	libcxxabi-devel = %{version}
+
+%description devel
+%{summary}.
+
+%package static
+Summary:	Static libraries for libcxx
+
+%description static
+%{summary}.
+
+%package -n libcxxabi
+Summary:	Low level support for a standard C++ library
+
+%description -n libcxxabi
+libcxxabi provides low level support for a standard C++ library.
+
+%package -n libcxxabi-devel
+Summary:	Headers and libraries for libcxxabi devel
+Requires:	libcxxabi = %{version}-%{release}
+
+%description -n libcxxabi-devel
+%{summary}.
+
+%package -n libcxxabi-static
+Summary:	Static libraries for libcxxabi
+
+%description -n libcxxabi-static
+%{summary}.
+
+%prep
+%setup -T -q -b 0 -n %{libcxx_srcdir}
+%setup -T -q -b 2 -n %{libcxxabi_srcdir}
+%setup -T -c -n build
+
+cp %{SOURCE4} ..
+mv ../%{libcxx_srcdir} ../libcxx
+mv ../%{libcxxabi_srcdir} ../libcxxabi
+%autopatch -p1
+ 
+%build
+
+%cmake -GNinja .. \
+	-DCMAKE_BUILD_TYPE=RelWithDebInfo \
+	-DCMAKE_C_COMPILER=clang \
+	-DCMAKE_CXX_COMPILER=clang++ \
+	-DCMAKE_MODULE_PATH=%{install_libdir}/cmake/llvm \
+	-DLIBCXX_LIBDIR_SUFFIX:STRING=64 \
+	-DLIBCXXABI_LIBDIR_SUFFIX:STRING=64 \
+	-DLIBCXX_INCLUDE_BENCHMARKS=OFF \
+	-DLIBCXX_STATICALLY_LINK_ABI_IN_STATIC_LIBRARY=ON \
+	-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=ON
+
+%ninja_build
+
+%install
+
+%ninja_install
+
+%files
+%license ../libcxx/LICENSE.TXT
+%{install_libdir}/libc++.so.*
+
+%files devel
+%{install_includedir}/c++/
+%exclude %{install_includedir}/c++/v1/cxxabi.h
+%exclude %{install_includedir}/c++/v1/__cxxabi_config.h
+%{install_libdir}/libc++.so
+
+%files static
+%{install_libdir}/libc++.a
+%{install_libdir}/libc++experimental.a
+
+%files -n libcxxabi
+%license ../libcxxabi/LICENSE.TXT
+%{install_libdir}/libc++abi.so.*
+
+%files -n libcxxabi-devel
+%{install_includedir}/c++/v1/cxxabi.h
+%{install_includedir}/c++/v1/__cxxabi_config.h
+%{install_libdir}/libc++abi.so
+
+%files -n libcxxabi-static
+%{install_libdir}/libc++abi.a
+
+%changelog
+* Tue Jul 04 2023 cf-zhao <zhaochuanfeng@huawei.com> - 15.0.7-1
+- Initial release
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