You need to install qtmobility first before you can compile Hildon Qt Components.
plugin cannot be loaded for module "org.hildon.components": Cannot load library /usr/lib/qt/imports/org/hildon/components/libhildonplugin.so: (/usr/lib/qt/imports/org/hildon/components/libhildonplugin.so: undefined symbol: _ZNK20QDeclarativeSettings10metaObjectEv) import org.hildon.components 0.1