Hi Alexandr, Your fix is correct when using STL vectors, etc with gcc3.2 and Root3.03/09. This problem has already been fixed in the devleopment version in CVS. Rene Brun On 22 Oct 2002, Alexandr Malusek wrote: > Hi, > > With root-3.03.09 and gcc-3.2 I got the following error: > > root [0] gSystem->Load("libRCTmod.so"); > Error: class,struct,union or type __gnu_cxx not defined FILE:/home/malusek/src/ctmod/lib/libRCTmod.so LINE:1 > > I found the following line in the ROOT source code: > > $ find root-3.03.09 -name '*.h' -exec grep -H gnu_cxx {} \; > root-3.03.09/cint/lib/dll_stl/vec.h:#pragma link C++ namespace __gnu_cxx; > > I added > > #pragma link C++ namespace __gnu_cxx; > > to my ctmodLinkDef.h file, recompiled, and the shared library can be > loaded in ROOT again. Nevertheless, I do not understand the line's > meaning. > > I use both g++ and icc so I'll also test: > > #if (G__GNUC>=3 && G__GNUC_MINOR>=1) > #pragma link C++ namespace __gnu_cxx; > #endif > > which comes from cint/lib/dll_stl/vec.h. > > -- > Alexandr.Malusek@imv.liu.se >
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