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

Provides :
pkgconfig(xmlrpc)
pkgconfig(xmlrpc++)
pkgconfig(xmlrpc_abyss)
pkgconfig(xmlrpc_client)
pkgconfig(xmlrpc_client++)
pkgconfig(xmlrpc_cpp)
pkgconfig(xmlrpc_packetsocket)
pkgconfig(xmlrpc_server)
pkgconfig(xmlrpc_server++)
pkgconfig(xmlrpc_server_abyss)
pkgconfig(xmlrpc_server_abyss++)
pkgconfig(xmlrpc_server_cgi)
pkgconfig(xmlrpc_server_cgi++)
pkgconfig(xmlrpc_server_pstream++)
pkgconfig(xmlrpc_util)
xmlrpc-c-devel
xmlrpc-c-devel(x86-32)

Requires :

xmlrpc-c = 1.16.24-1210.1840.el6
xmlrpc-c-client++ = 1.16.24-1210.1840.el6
libxmlrpc_server_pstream++.so.4
libxmlrpc_server++.so.4
libxmlrpc_abyss.so.3
libxmlrpc++.so.4
curl-devel
libxmlrpc_util.so.3
pkgconfig(xmlrpc_server_abyss)
libxmlrpc_server_abyss++.so.4
libxmlrpc_client.so.3
libxmlrpc_server_abyss.so.3
libxmlrpc_client++.so.4
rpmlib(PayloadIsXz) <= 5.2-1
pkgconfig(xmlrpc_client)
libxmlrpc_server.so.3
pkgconfig(xmlrpc_server++)
libxmlrpc.so.3
xmlrpc-c-c++ = 1.16.24-1210.1840.el6
pkgconfig(xmlrpc_abyss)
libxmlrpc_cpp.so.4
libxml2-devel
pkgconfig
pkgconfig(xmlrpc++)
/bin/sh
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
pkgconfig(libcurl)
xmlrpc-c-client = 1.16.24-1210.1840.el6
rpmlib(FileDigests) <= 4.6.0-1
libxmlrpc_server_cgi.so.3
pkgconfig(libxml-2.0)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(VersionedDependencies) <= 3.0.3-1
pkgconfig(xmlrpc_server)
/usr/bin/pkg-config
pkgconfig(xmlrpc)
pkgconfig(xmlrpc_packetsocket)
pkgconfig(xmlrpc_util)
libxmlrpc_packetsocket.so.4
libxmlrpc_server_cgi++.so.4

Content of RPM :
/usr/bin/xmlrpc-c-config
/usr/include/XmlRpcCpp.h
/usr/include/xmlrpc-c
/usr/include/xmlrpc-c/abyss.h
/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/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/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
/usr/include/xmlrpc-c/server_abyss.h
/usr/include/xmlrpc-c/server_abyss.hpp
/usr/include/xmlrpc-c/server_cgi.h
/usr/include/xmlrpc-c/server_pstream.hpp
/usr/include/xmlrpc-c/server_w32httpsys.h
/usr/include/xmlrpc-c/timeout.hpp
/usr/include/xmlrpc-c/transport.h
There is 38 files more in these RPM.