Hi, The messages come from dynamic loader/linker. You need to load the shared lib Lastra.so before you activate ACLIC... Hope this helps Radovan -- Radovan Chytracek CERN Division IT/API, Geant4 e-mail: Radovan.Chytracek@cern.ch WWW: http://cern.ch/chytrace phone: +41 22 76 78871 > -----Original Message----- > From: owner-roottalk@pcroot.cern.ch > [mailto:owner-roottalk@pcroot.cern.ch]On Behalf Of Tommaso Chiarusi > Sent: Wednesday, 03 October 2001 16:18 > To: Root Newsgroup > Subject: RE: [ROOT] ACLIC.. > > > On Tue, 2 Oct 2001, Philippe Canal wrote: > > > > 1. Following Philippe suggestion I tried to use ACLIC to > complile a library from > my macro "match.C", but after some > debugging, I cannot fix the following: > > > > > dlopen error: /disk2/chiarusi/zonalavoro_root/./match_C.so: > undefined symbol: > > > __vt_6Lastra > > > > This means that the compiler was unable to find the virtual > table for the > > class Lastra. This usually happens when one of the virtual > function defined > > in the interface is NOT implemented. Try implementing all > those function and > > let me know if the problem is still there. > > Dear Philippe, > as you can see in the attached file, class Lastra (and its derivate) seems > not to have any uncompleted functions.... > .. > Furthermore I have noticed the following: > If I execute my macro match.C (the one that uses class Lastra) with CINT, > I get a new strange error, computing a ratio between powers: > I got a division by zero ( having as denominator "pow(a,2)") even > if I > #include <cmath> > > in the Class that performs such a ratio > > and having "a" DIFFERENT from zero! > > FACTS: > > 1. I used the class Lastra and Track to build the compiled library > libLastra.so > libTrack.so > using a proper Makefile, derived from a Template. > This was SUCCESFUL, and I build TTrees with Lastra Objects with great > pleasure!!!! > > > > 2. Nonetheless, at the ROOT prompt, if I give the command > .L match.C++ it gives the following output: > > vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv > root [0] .L match.C++ > Creating shared library /disk2/chiarusi/zonalavoro_root/./match_C.so > /disk2/chiarusi/zonalavoro_root/match.C: In function `void > match(int, int, int, int, int)': > In file included from /disk2/chiarusi/zonalavoro_root/fileUVW5XG.h:28, > from /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.C:5: > /disk2/chiarusi/zonalavoro_root/match.C:103: warning: unused > variable `char c[4]' > /disk2/chiarusi/zonalavoro_root/match.C:102: warning: unused > variable `int colorDown' > /disk2/chiarusi/zonalavoro_root/match.C:101: warning: unused > variable `int colorUp' > /disk2/chiarusi/zonalavoro_root/match.C:67: warning: unused > variable `int color' > dlopen error: /disk2/chiarusi/zonalavoro_root/./match_C.so: > undefined symbol: __vt_6Lastra > Load Error: Failed to load Dynamic link library > /disk2/chiarusi/zonalavoro_root/./match_C.so > /disk2/chiarusi/zonalavoro_root/match.C: In function `void > match(int, int, int, int, int)': > In file included from /disk2/chiarusi/zonalavoro_root/fileUVW5XG.h:28, > from /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.C:5: > /disk2/chiarusi/zonalavoro_root/match.C:103: warning: unused > variable `char c[4]' > /disk2/chiarusi/zonalavoro_root/match.C:102: warning: unused > variable `int colorDown' > /disk2/chiarusi/zonalavoro_root/match.C:101: warning: unused > variable `int colorUp' > /disk2/chiarusi/zonalavoro_root/match.C:67: warning: unused > variable `int color' > /usr/lib/crt1.o: In function `_start': > /usr/lib/crt1.o(.text+0x18): undefined reference to `main' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o: In function > `match(int, int, int, int, int)': > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x239): > undefined reference to `Lastra virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x241): > undefined reference to `CR39 virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x2a1): > undefined reference to `Lastra virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x2a9): > undefined reference to `CR39 virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x31d): > undefined reference to `Lastra virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x325): > undefined reference to `CR39 virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x360): > undefined reference to `Lastra virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x368): > undefined reference to `CR39 virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x38d): > undefined reference to `Track virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x3de): > undefined reference to `Track virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x508): > undefined reference to `Track virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x5d7): > undefined reference to `Track virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x1cd3): > undefined reference to `Track virtual table' > /disk2/chiarusi/zonalavoro_root/./fileUVW5XG.o(.text+0x2553): > more undefined references to `Track virtual table' follow > collect2: ld returned 1 exit status > *** Interpreter error recovered *** > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > 3. the "power" error appeared recently after I inserted in both Lastra > and Track classes the > > #if !defined(__CINT__) etc,, > statements > > to make the compile do not interfer with CINT requirements. > > So... > Could it be that this Lastra error is linked to the power Error? > I separately tested all the class with a normal standalone C++ code... and > they worg good! > > I' m puzzled! > Thanks for your help > Tommaso >
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