[libvirt] Compiling Warning

Hello Eric, I met some compiling warning, I'm not sure whether my environment is dirty, please help confirm them: *** Warning: Linking the executable qemuxml2argvtest against the loadable module *** libvirt_driver_qemu.so is not portable! *** Warning: Linking the executable qemuxml2argvtest against the loadable module *** libvirt_driver_network.so is not portable! CC qemuxml2xmltest.o CCLD qemuxml2xmltest *** Warning: Linking the executable qemuxml2xmltest against the loadable module *** libvirt_driver_qemu.so is not portable! *** Warning: Linking the executable qemuxml2xmltest against the loadable module *** libvirt_driver_network.so is not portable! CC qemuxmlnstest.o CCLD qemuxmlnstest *** Warning: Linking the executable qemuxmlnstest against the loadable module *** libvirt_driver_qemu.so is not portable! *** Warning: Linking the executable qemuxmlnstest against the loadable module *** libvirt_driver_network.so is not portable! CC qemuargv2xmltest.o CCLD qemuargv2xmltest *** Warning: Linking the executable qemuargv2xmltest against the loadable module *** libvirt_driver_qemu.so is not portable! *** Warning: Linking the executable qemuargv2xmltest against the loadable module *** libvirt_driver_network.so is not portable! CC qemuhelptest.o CCLD qemuhelptest *** Warning: Linking the executable qemuhelptest against the loadable module *** libvirt_driver_qemu.so is not portable! *** Warning: Linking the executable qemuhelptest against the loadable module *** libvirt_driver_network.so is not portable! CC domainsnapshotxml2xmltest.o CCLD domainsnapshotxml2xmltest *** Warning: Linking the executable domainsnapshotxml2xmltest against the loadable module *** libvirt_driver_qemu.so is not portable! *** Warning: Linking the executable domainsnapshotxml2xmltest against the loadable module *** libvirt_driver_network.so is not portable! CC qemumonitortest.o CCLD qemumonitortest *** Warning: Linking the executable qemumonitortest against the loadable module *** libvirt_driver_qemu.so is not portable! *** Warning: Linking the executable qemumonitortest against the loadable module *** libvirt_driver_network.so is not portable! CC lxcxml2xmltest.o CC testutilslxc.o CCLD lxcxml2xmltest *** Warning: Linking the executable lxcxml2xmltest against the loadable module *** libvirt_driver_lxc.so is not portable! *** Warning: Linking the executable lxcxml2xmltest against the loadable module *** libvirt_driver_network.so is not portable! CC openvzutilstest.o CCLD openvzutilstest CC esxutilstest.o CCLD esxutilstest CC vmx2xmltest.o CCLD vmx2xmltest CC xml2vmxtest.o CCLD xml2vmxtest CC jsontest.o CCLD jsontest CC networkxml2xmltest.o CCLD networkxml2xmltest CC networkxml2argvtest.o CCLD networkxml2argvtest *** Warning: Linking the executable networkxml2argvtest against the loadable module *** libvirt_driver_network.so is not portable! Thanks, Alex