Hello Routers To become familiar with the process of integrating external libraries into ROOT I wrote some useless code for testing purposes (TTest.h, TTest.C and TTest_LinkDef.h in the attachment). I generated the dictionary files with : rootcint -f TTestDict.C -c TTest.h TTest_LinkDef.h and compiled and linked everything with g++ -fPIC -I/include -o TTestDict.o TTestDict.C -c g++ -fPIC -I/include -o TTest.o TTest.C -c ld -soname,libTTest.so -o libTTest.so -shared TTest.o TTestDict.o After that LibTTest.so can be loaded by ROOT with gSystem->Load("libTTest.so") The problem is that a .class TTest causes the following error message root [1] .class TTest Error: class,struct,union or type TTest not defined FILE: LINE:0 *** Interpreter error recovered *** which I don't understand. ROOT version is: 3.04/02 and my compiler is gcc 2.95.4 on a Debian Linux 3.0r1. I hope that anyone of you can help me. eugen
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