copy the .so file of the old version.

jsoncpp.spec

@@ -1,6 +1,6 @@
 Name:           jsoncpp
 Version:        1.9.5
-Release:        1
+Release:        2
 Summary:        JSON C++ library
 License:        Public Domain or MIT
 URL:            https://github.com/open-source-parsers/jsoncpp
@@ -61,6 +61,8 @@ chmod 644 %{buildroot}%{_docdir}/%{name}/html/*.{html,png}
 touch %{buildroot}%{_docdir}/%{name}/html
 hardlink -cfv %{buildroot}%{_docdir}/%{name}
 
+cp -a %{_libdir}/libjsoncpp.so.* $RPM_BUILD_ROOT%{_libdir}
+
 %check
 %make_build -C %{_vpath_builddir} jsoncpp_check
 
@@ -88,6 +90,9 @@ hardlink -cfv %{buildroot}%{_docdir}/%{name}
 
 
 %changelog
+* Wed Jan 05 2022 shangyibin <shangyibin1@huawei.com> - 1.9.5-2
+- copy the .so file of the old version.
+
 * Wed Dec 22 2021 shangyibin <shangyibin1@huawei.com> - 1.9.5-1
 - upgrade version to 1.9.5