dd/d6c/makedict_8sh_source.html

 echo '

 #pragma link C++ class anab::MVAResult+;

 #pragma link C++ class vector<anab::MVAResult>+;

 #pragma link C++ class map<string,double>+;

 ' > Linkdef.h


 rootcint -f MVAResultDict.cxx -c $LARDATAOBJ_DIR/AnalysisBase/MVAResult.h Linkdef.h

 g++ -shared -o MVAResultDict.so `root-config --ldflags` -fPIC -I$ROOTSYS/include MVAResultDict.cxx

 rm MVAResultDict.cxx MVAResultDict.h Linkdef.h

I
see a below echo or echo I(indirect symbol).'echo" If the symbol is local (non-external)

g
BEGIN_PROLOG g
Definition: decoderTools_icarus.fcl:7

root
BEGIN_PROLOG dataFFTHistosEW root
Definition: detsimmodules_ICARUS.fcl:65