Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
pkgconfig(xmlrpc)
pkgconfig(xmlrpc++)
pkgconfig(xmlrpc_abyss)
pkgconfig(xmlrpc_abyss++)
pkgconfig(xmlrpc_client)
pkgconfig(xmlrpc_client++)
pkgconfig(xmlrpc_expat)
pkgconfig(xmlrpc_openssl)
pkgconfig(xmlrpc_server)
pkgconfig(xmlrpc_server++)
pkgconfig(xmlrpc_server_abyss)
pkgconfig(xmlrpc_server_cgi)
pkgconfig(xmlrpc_server_pstream++)
pkgconfig(xmlrpc_util)
pkgconfig(xmlrpc_util++)
xmlrpc-c-devel
xmlrpc-c-devel(x86-64)

Requires :

/usr/bin/pkg-config
/usr/bin/sh
libxmlrpc++.so.9()(64bit)
libxmlrpc.so.3()(64bit)
libxmlrpc_abyss++.so.9()(64bit)
libxmlrpc_abyss.so.3()(64bit)
libxmlrpc_client++.so.9()(64bit)
libxmlrpc_client.so.3()(64bit)
libxmlrpc_cpp.so.9()(64bit)
libxmlrpc_openssl.so.1()(64bit)
libxmlrpc_packetsocket.so.9()(64bit)
libxmlrpc_server++.so.9()(64bit)
libxmlrpc_server.so.3()(64bit)
libxmlrpc_server_abyss++.so.9()(64bit)
libxmlrpc_server_abyss.so.3()(64bit)
libxmlrpc_server_cgi++.so.9()(64bit)
libxmlrpc_server_cgi.so.3()(64bit)
libxmlrpc_server_pstream++.so.9()(64bit)
libxmlrpc_util++.so.9()(64bit)
libxmlrpc_util.so.4()(64bit)
libxmlrpc_xmlparse.so.3()(64bit)
libxmlrpc_xmltok.so.3()(64bit)
pkgconfig(xmlrpc)
pkgconfig(xmlrpc++)
pkgconfig(xmlrpc_abyss)
pkgconfig(xmlrpc_client)
pkgconfig(xmlrpc_expat)
pkgconfig(xmlrpc_server)
pkgconfig(xmlrpc_server++)
pkgconfig(xmlrpc_util)
pkgconfig(xmlrpc_util++)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1
xmlrpc-c(x86-64) = 1.60.04-2.el10_0
xmlrpc-c-c++(x86-64) = 1.60.04-2.el10_0
xmlrpc-c-client(x86-64) = 1.60.04-2.el10_0
xmlrpc-c-client++(x86-64) = 1.60.04-2.el10_0

Content of RPM :
/usr/bin/xmlrpc-c-config
/usr/include/XmlRpcCpp.h
/usr/include/xmlrpc-c
/usr/include/xmlrpc-c/AbyssChanSwitch.hpp
/usr/include/xmlrpc-c/AbyssChanSwitchUnix.hpp
/usr/include/xmlrpc-c/AbyssEnvironment.hpp
/usr/include/xmlrpc-c/AbyssServer.hpp
/usr/include/xmlrpc-c/abyss.h
/usr/include/xmlrpc-c/abyss_reqhandler_xmlrpc.hpp
/usr/include/xmlrpc-c/abyss_unixsock.h
/usr/include/xmlrpc-c/abyss_winsock.h
/usr/include/xmlrpc-c/base.h
/usr/include/xmlrpc-c/base.hpp
/usr/include/xmlrpc-c/base64.hpp
/usr/include/xmlrpc-c/c_util.h
/usr/include/xmlrpc-c/client.h
/usr/include/xmlrpc-c/client.hpp
/usr/include/xmlrpc-c/client_global.h
/usr/include/xmlrpc-c/client_simple.hpp
/usr/include/xmlrpc-c/client_transport.hpp
/usr/include/xmlrpc-c/config.h
/usr/include/xmlrpc-c/girerr.hpp
/usr/include/xmlrpc-c/girmem.hpp
/usr/include/xmlrpc-c/inttypes.h
/usr/include/xmlrpc-c/json.h
/usr/include/xmlrpc-c/oldcppwrapper.hpp
/usr/include/xmlrpc-c/oldxmlrpc.h
/usr/include/xmlrpc-c/packetsocket.hpp
/usr/include/xmlrpc-c/registry.hpp
/usr/include/xmlrpc-c/server.h
There is 50 files more in these RPM.