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%global gcc_toolset_root /opt/openEuler/gcc-toolset-7/root
%global libstdcxx_soname libstdc++.so.6
%global libstdcxx_realname libstdc++.so.6.0.19
%global debug_package %{nil}
%ifarch x86_64
%global source_archive %{SOURCE0}
%global multiarch_dir x86_64-linux-gnu
%global gcc_triplet x86_64-pc-linux-gnu
%endif
%ifarch aarch64
%global source_archive %{SOURCE1}
%global multiarch_dir aarch64-linux-gnu
%global gcc_triplet aarch64-unknown-linux-gnu
%endif
Name: ai-toolset-libstdc++
Version: 4.8.5
Release: 45
Summary: Extract EL7 libstdc++ runtime for gcc-toolset-7 sysroot
License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions
URL: https://gcc.gnu.org/
# Put both tar.gz files into rpmbuild SOURCES. The package build selects the
# matching one by target architecture.
Source0: libstdc++-4.8.5-44.el7.x86_64.tar.gz
Source1: libstdc++-4.8.5-44.el7.aarch64.tar.gz
ExclusiveArch: x86_64 aarch64
BuildRequires: gzip
BuildRequires: tar
# The extracted EL7 library is private to %%{gcc_toolset_root}. Do not
# let RPM dependency generators advertise it as the system libstdc++ provider.
AutoReqProv: no
Provides: bundled(libstdc++) = %{version}-%{release}
%description
This package extracts libstdc++.so.6.0.19 from the EL7 libstdc++ archive
and installs it into the gcc-toolset-7 sysroot layout used on openEuler 24.03.
%prep
rm -rf extract-root
mkdir -p extract-root
tar -xzf "%{source_archive}" -C extract-root \
'./usr/lib64/%{libstdcxx_realname}'
%build
# Nothing to build. This package only repackages the runtime library.
%install
rm -rf %{buildroot}
install -d -m 0755 \
%{buildroot}%{gcc_toolset_root}/usr/lib/%{multiarch_dir} \
%{buildroot}%{gcc_toolset_root}/usr/lib/gcc/%{gcc_triplet}/7
install -m 0755 \
extract-root/usr/lib64/%{libstdcxx_realname} \
%{buildroot}%{gcc_toolset_root}/usr/lib/%{multiarch_dir}/%{libstdcxx_realname}
ln -s %{libstdcxx_realname} \
%{buildroot}%{gcc_toolset_root}/usr/lib/%{multiarch_dir}/%{libstdcxx_soname}
# gcc-toolset-7 expects the GCC private directory to contain the
# old runtime as libstdc++.so.6. Install a real file here to match the script's
# final copy behavior.
install -m 0755 \
extract-root/usr/lib64/%{libstdcxx_realname} \
%{buildroot}%{gcc_toolset_root}/usr/lib/gcc/%{gcc_triplet}/7/%{libstdcxx_soname}
%files
%dir /opt/openEuler
%dir /opt/openEuler/gcc-toolset-7
%dir %{gcc_toolset_root}
%dir %{gcc_toolset_root}/usr
%dir %{gcc_toolset_root}/usr/lib
%dir %{gcc_toolset_root}/usr/lib/%{multiarch_dir}
%{gcc_toolset_root}/usr/lib/%{multiarch_dir}/%{libstdcxx_realname}
%{gcc_toolset_root}/usr/lib/%{multiarch_dir}/%{libstdcxx_soname}
%dir %{gcc_toolset_root}/usr/lib/gcc
%dir %{gcc_toolset_root}/usr/lib/gcc/%{gcc_triplet}
%dir %{gcc_toolset_root}/usr/lib/gcc/%{gcc_triplet}/7
%{gcc_toolset_root}/usr/lib/gcc/%{gcc_triplet}/7/%{libstdcxx_soname}
%changelog
* Thu May 28 2026 Example Maintainer <example@example.com> - 4.8.5-44
- Extract EL7 libstdc++.so.6.0.19 into gcc-toolset-7 sysroot for openEuler 24.03
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