g++ example.cpp -lcurlpp -lcurl

In file included from /usr/include/libxml++-2.6/libxml++/libxml++.h:53:0,
                 from example.cpp:3:
/usr/include/libxml++-2.6/libxml++/parsers/saxparser.h:224:8: warning: ‘template<class> class std::auto_ptr’ is deprecated [-Wdeprecated-declarations]
   std::auto_ptr<_xmlSAXHandler> sax_handler_;
        ^
In file included from /usr/include/c++/5/memory:81:0,
                 from /usr/include/libxml++-2.6/libxml++/parsers/saxparser.h:14,
                 from /usr/include/libxml++-2.6/libxml++/libxml++.h:53,
                 from example.cpp:3:
/usr/include/c++/5/bits/unique_ptr.h:49:28: note: declared here
   template<typename> class auto_ptr;
                            ^
In file included from /usr/include/libxml++-2.6/libxml++/libxml++.h:54:0,
                 from example.cpp:3:
/usr/include/libxml++-2.6/libxml++/parsers/textreader.h:260:10: warning: ‘template<class> class std::auto_ptr’ is deprecated [-Wdeprecated-declarations]
     std::auto_ptr<PropertyReader> propertyreader;
          ^
In file included from /usr/include/c++/5/memory:81:0,
                 from /usr/include/libxml++-2.6/libxml++/parsers/saxparser.h:14,
                 from /usr/include/libxml++-2.6/libxml++/libxml++.h:53,
                 from example.cpp:3:
/usr/include/c++/5/bits/unique_ptr.h:49:28: note: declared here
   template<typename> class auto_ptr;
                            ^
In file included from /usr/include/libxml++-2.6/libxml++/libxml++.h:69:0,
                 from example.cpp:3:
/usr/include/libxml++-2.6/libxml++/relaxngschema.h:108:8: warning: ‘template<class> class std::auto_ptr’ is deprecated [-Wdeprecated-declarations]
   std::auto_ptr<Impl> pimpl_;
        ^
In file included from /usr/include/c++/5/memory:81:0,
                 from /usr/include/libxml++-2.6/libxml++/parsers/saxparser.h:14,
                 from /usr/include/libxml++-2.6/libxml++/libxml++.h:53,
                 from example.cpp:3:
/usr/include/c++/5/bits/unique_ptr.h:49:28: note: declared here
   template<typename> class auto_ptr;
                            ^
In file included from /usr/include/libxml++-2.6/libxml++/libxml++.h:70:0,
                 from example.cpp:3:
/usr/include/libxml++-2.6/libxml++/xsdschema.h:99:8: warning: ‘template<class> class std::auto_ptr’ is deprecated [-Wdeprecated-declarations]
   std::auto_ptr<Impl> pimpl_;
        ^
In file included from /usr/include/c++/5/memory:81:0,
                 from /usr/include/libxml++-2.6/libxml++/parsers/saxparser.h:14,
                 from /usr/include/libxml++-2.6/libxml++/libxml++.h:53,
                 from example.cpp:3:
/usr/include/c++/5/bits/unique_ptr.h:49:28: note: declared here
   template<typename> class auto_ptr;
                            ^
In file included from /usr/include/libxml++-2.6/libxml++/libxml++.h:73:0,
                 from example.cpp:3:
/usr/include/libxml++-2.6/libxml++/validators/relaxngvalidator.h:159:8: warning: ‘template<class> class std::auto_ptr’ is deprecated [-Wdeprecated-declarations]
   std::auto_ptr<Impl> pimpl_;
        ^
In file included from /usr/include/c++/5/memory:81:0,
                 from /usr/include/libxml++-2.6/libxml++/parsers/saxparser.h:14,
                 from /usr/include/libxml++-2.6/libxml++/libxml++.h:53,
                 from example.cpp:3:
/usr/include/c++/5/bits/unique_ptr.h:49:28: note: declared here
   template<typename> class auto_ptr;
                            ^
In file included from /usr/include/libxml++-2.6/libxml++/libxml++.h:75:0,
                 from example.cpp:3:
/usr/include/libxml++-2.6/libxml++/validators/xsdvalidator.h:149:8: warning: ‘template<class> class std::auto_ptr’ is deprecated [-Wdeprecated-declarations]
   std::auto_ptr<Impl> pimpl_;
        ^
In file included from /usr/include/c++/5/memory:81:0,
                 from /usr/include/libxml++-2.6/libxml++/parsers/saxparser.h:14,
                 from /usr/include/libxml++-2.6/libxml++/libxml++.h:53,
                 from example.cpp:3:
/usr/include/c++/5/bits/unique_ptr.h:49:28: note: declared here
   template<typename> class auto_ptr;
                            ^
/tmp/ccmkN1t2.o: In function `curlpp::internal::OptionContainer<std::__cxx11::list<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >::OptionContainer(std::__cxx11::list<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)':
/usr/include/curlpp/internal/OptionContainer.inl:38: undefined reference to `curlpp::internal::SList::SList(std::__cxx11::list<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)'
/tmp/ccmkN1t2.o: In function `curlpp::internal::OptionContainer<std::__cxx11::list<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >::setValue(std::__cxx11::list<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)':
/usr/include/curlpp/internal/OptionContainer.inl:52: undefined reference to `curlpp::internal::SList::operator=(std::__cxx11::list<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)'
/tmp/ccmkN1t2.o: In function `curlpp::OptionTrait<std::ostream*, (CURLoption)10001>::updateHandleToMe(curlpp::internal::CurlHandle*) const':
/usr/include/curlpp/Option.inl:148: undefined reference to `curlpp::UnsetOption::UnsetOption(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
/tmp/ccmkN1t2.o: In function `curlpp::OptionTrait<bool, (CURLoption)52>::updateHandleToMe(curlpp::internal::CurlHandle*) const':
/usr/include/curlpp/Option.inl:148: undefined reference to `curlpp::UnsetOption::UnsetOption(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
/tmp/ccmkN1t2.o: In function `curlpp::OptionTrait<std::__cxx11::list<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, (CURLoption)10023>::updateHandleToMe(curlpp::internal::CurlHandle*) const':
/usr/include/curlpp/Option.inl:148: undefined reference to `curlpp::UnsetOption::UnsetOption(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
/tmp/ccmkN1t2.o: In function `curlpp::OptionTrait<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, (CURLoption)10002>::updateHandleToMe(curlpp::internal::CurlHandle*) const':
/usr/include/curlpp/Option.inl:148: undefined reference to `curlpp::UnsetOption::UnsetOption(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
/tmp/ccmkN1t2.o: In function `curlpp::Option<std::ostream*>::getValue() const':
/usr/include/curlpp/Option.inl:114: undefined reference to `curlpp::UnsetOption::UnsetOption(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
/tmp/ccmkN1t2.o:/usr/include/curlpp/Option.inl:114: more undefined references to `curlpp::UnsetOption::UnsetOption(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' follow
/tmp/ccmkN1t2.o: In function `curlpp::internal::OptionContainer<std::__cxx11::list<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >::getValue()':
/usr/include/curlpp/internal/OptionContainer.inl:59: undefined reference to `curlpp::internal::SList::operator std::__cxx11::list<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >[abi:cxx11]()'
collect2: error: ld returned 1 exit status