g++ -O3   Example26.C \
-pthread -std=c++11 -m64 -I/home/sayan/ROOT_6.12_BUILD/include -I/home/sayan/Delphes-3.4.1/ -I/home/sayan/Delphes-3.4.1//classes -I/home/sayan/Delphes-3.4.1//external \
-L/home/sayan/ROOT_6.12_BUILD/lib -lCore -lImt -lRIO -lNet -lHist -lGraf -lGraf3d -lGpad -lTree -lTreePlayer -lRint -lPostscript -lMatrix -lPhysics -lMathCore -lThread -lMultiProc -pthread -lm -ldl -rdynamic -L/home/sayan/Delphes-3.4.1/ -lDelphes -Wl,-rpath /home/sayan/Delphes-3.4.1/ \
    -lfastjet   \
-Wl,-rpath,/home/sayan/Delphes-3.4.1/ \
-o Example26 -I/home/sayan/fastjet-3.3.1/fastjet-install/include -Wl,-rpath,/home/sayan/fastjet-3.3.1/fastjet-install/lib -lm -L/home/sayan/fastjet-3.3.1/fastjet-install/lib -lfastjettools -lfastjet  -L/home/sayan/ROOT_6.12_BUILD/lib -lCore -lImt -lRIO -lNet -lHist -lGraf -lGraf3d -lGpad -lTree -lTreePlayer -lRint -lPostscript -lMatrix -lPhysics -lMathCore -lThread -lMultiProc -pthread -lm -ldl -rdynamic
In file included from Example26.C:37:0:
/home/sayan/Delphes-3.4.1//external/fastjet/ClusterSequence.hh:371:44: warning: ‘template<class> class std::auto_ptr’ is deprecated [-Wdeprecated-declarations]
   inline void plugin_associate_extras(std::auto_ptr<Extras> extras_in){
                                            ^~~~~~~~
In file included from /usr/include/c++/7/bits/locale_conv.h:41:0,
                 from /usr/include/c++/7/locale:43,
                 from /usr/include/c++/7/iomanip:43,
                 from Example26.C:5:
/usr/include/c++/7/bits/unique_ptr.h:51:28: note: declared here
   template<typename> class auto_ptr;
                            ^~~~~~~~