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+%define anolis_release 1
+Summary: An unwinding library
+Name: libunwind
+Version: 1.6.2
+Release: %{anolis_release}%{?dist}
+License: BSD
+URL: http://savannah.nongnu.org/projects/libunwind
+Source: http://download-mirror.savannah.gnu.org/releases/libunwind/libunwind-%{version}.tar.gz
+
+ExclusiveArch: aarch64  x86_64
+
+BuildRequires: automake libtool autoconf texlive-latex2man
+BuildRequires: make
+
+# host != target would cause REMOTE_ONLY build even if building i386 on x86_64.
+%global _host %{_target_platform}
+
+%description
+Libunwind provides a C ABI to determine the call-chain of a program.
+
+%package devel
+Summary: Development package for libunwind
+Requires: libunwind = %{version}-%{release}
+
+%description devel
+The libunwind-devel package includes the libraries and header files for
+libunwind.
+
+%prep
+%setup -q
+
+%build
+%global optflags %{optflags} -fcommon
+aclocal
+libtoolize --force
+autoheader
+automake --add-missing
+autoconf
+%configure --enable-static --enable-shared --enable-setjmp=no
+make %{?_smp_mflags}
+
+%install
+make install DESTDIR=$RPM_BUILD_ROOT
+find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
+
+# /usr/include/libunwind-ptrace.h
+# [...] aren't really part of the libunwind API.  They are implemented in
+# a archive library called libunwind-ptrace.a.
+mv -f $RPM_BUILD_ROOT%{_libdir}/libunwind-ptrace.a $RPM_BUILD_ROOT%{_libdir}/libunwind-ptrace.a-save
+rm -f $RPM_BUILD_ROOT%{_libdir}/libunwind*.a
+mv -f $RPM_BUILD_ROOT%{_libdir}/libunwind-ptrace.a-save $RPM_BUILD_ROOT%{_libdir}/libunwind-ptrace.a
+rm -f $RPM_BUILD_ROOT%{_libdir}/libunwind-ptrace*.so*
+
+# fix multilib conflicts
+touch -r NEWS $RPM_BUILD_ROOT%{_includedir}/libunwind.h
+
+%check
+%if 0%{?_with_check:1} || 0%{?_with_testsuite:1}
+echo ====================TESTING=========================
+make check || true
+echo ====================TESTING END=====================
+%else
+echo ====================TESTSUITE DISABLED=========================
+%endif
+
+%ldconfig_scriptlets
+
+%files
+%license COPYING
+%doc README NEWS
+%{_libdir}/libunwind*.so.*
+
+%files devel
+%{_libdir}/libunwind*.so
+%{_libdir}/libunwind-ptrace.a
+%{_libdir}/pkgconfig/libunwind*.pc
+%{_mandir}/*/*
+# <unwind.h> does not get installed for REMOTE_ONLY targets - check it.
+%{_includedir}/unwind.h
+%{_includedir}/libunwind*.h
+
+%changelog
+* Thu Apr 07 2022 mgb01105731 <mgb01105731@alibaba-inc.com> - 1.6.2-1
+- Init from upstream version 1.6.2
+