/home/daniyar/fgfs-cvs/bin/lib/libsgsky.a(cloud.o): In function `osg::Referenced::unref() const':
/usr/local/include/osg/Referenced:151: undefined reference to `osg::Referenced::deletUsingDeleteHandler() const'
/usr/local/include/osg/Referenced:151: undefined reference to `osg::Referenced::deletUsingDeleteHandler() const'
/home/daniyar/fgfs-cvs/bin/lib/libsgsky.a(cloud.o): In function `~ref_ptr':
/usr/local/include/osg/Referenced:151: undefined reference to `osg::Referenced::deletUsingDeleteHandler() const'
/home/daniyar/fgfs-cvs/bin/lib/libsgsky.a(cloud.o): In function `osg::Referenced::unref() const':
/usr/local/include/osg/Referenced:151: undefined reference to `osg::Referenced::deletUsingDeleteHandler() const'
/usr/local/include/osg/Referenced:151: undefined reference to `osg::Referenced::deletUsingDeleteHandler() const'
/home/daniyar/fgfs-cvs/bin/lib/libsgsky.a(cloud.o):/usr/local/include/osg/Referenced:151: more undefined references to `osg::Referenced::deletUsingDeleteHandler() const' follow
/home/daniyar/fgfs-cvs/bin/lib/libsgmodel.a(model.o): In function `sgLoad3DModel(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, SGPropertyNode*, double, osg::Node* (*)(SGPropertyNode*), SGModelData*, SGPath const&)':
/home/daniyar/fgfs-cvs/simgear-cvs/simgear/scene/model/model.cxx:268: undefined reference to `osgDB::writeNodeFile(osg::Node const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
/home/daniyar/fgfs-cvs/bin/lib/libsgmodel.a(model.o): In function `~ref_ptr':
/usr/local/include/osg/Referenced:151: undefined reference to `osg::Referenced::deletUsingDeleteHandler() const'
/home/daniyar/fgfs-cvs/bin/lib/libsgmodel.a(model.o): In function `osg::Referenced::unref() const':
/usr/local/include/osg/Referenced:151: undefined reference to `osg::Referenced::deletUsingDeleteHandler() const'
/usr/local/include/osg/Referenced:151: undefined reference to `osg::Referenced::deletUsingDeleteHandler() const'
/usr/local/include/osg/Referenced:151: undefined reference to `osg::Referenced::deletUsingDeleteHandler() const'
/usr/local/include/osg/Referenced:151: undefined reference to `osg::Referenced::deletUsingDeleteHandler() const'
/home/daniyar/fgfs-cvs/bin/lib/libsgmodel.a(model.o):/usr/local/include/osg/Referenced:151: more undefined references to `osg::Referenced::deletUsingDeleteHandler() const' follow
collect2: ld returned 1 exit status
make[2]: *** [fgfs] Error 1
make[2]: Leaving directory `/home/daniyar/fgfs-cvs/fgfs-cvs/src/Main'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/daniyar/fgfs-cvs/fgfs-cvs/src'
make: *** [all-recursive] Error 1