Re: The "undefined symbol:" error while loading a library in ROOT session

Ooops!

Class has no destructor, indeed. Silly.

Thank you so much, Philippe!

On 04/14/2011 08:32 PM, Philippe Canal wrote:
> Hi Vassili,
>
> $ echo _ZTV10IntKeyCntr | c++filt
> vtable for IntKeyCntr
>
> This usually means that you are missing the implementation of one of
> your virtual function
> or that you are missing the dictionary.
>
> Cheers,
> Philippe.
>
> On 4/14/11 1:24 PM, Vassili Maroussov wrote:
>> Dear ROOTers,
>>
>> I'm getting the "undefined symbol:"error while trying to load in ROOT
>> session a library with 2 very simple classes. I have no idea what is
>> a reason. File are attached, the session log is below. Can someone
>> help me?
>>
>> Regards,
>>
>> Vassili
>>
>> -----------------------
>> [vmarouss_at_Ezhik-HDX18 IntKeyList]$
>> [vmarouss_at_Ezhik-HDX18 IntKeyList]$ uname -a
>> Linux Ezhik-HDX18 2.6.35.12-88.fc14.x86_64 #1 SMP Thu Mar 31 21:21:57
>> UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
>> [vmarouss_at_Ezhik-HDX18 IntKeyList]$ make clean
>> [vmarouss_at_Ezhik-HDX18 IntKeyList]$ make
>> g++ -O2 -Wall -fPIC -pthread -m64 -I/usr/local/ROOT/pro/include -c
>> IntKeyList.cpp
>> Generating dictionary IntKeyListDict.cpp...
>> IntKeyListDict.cpp done
>> g++ -O2 -Wall -fPIC -pthread -m64 -I/usr/local/ROOT/pro/include -c
>> IntKeyListDict.cpp
>> g++ -shared -O2 -Wall -fPIC -pthread -m64
>> -I/usr/local/ROOT/pro/include IntKeyList.o IntKeyListDict.o
>> -L/usr/local/ROOT/pro/lib -lCore -lCint -lRIO -lNet -lHist -lGraf
>> -lGraf3d -lGpad -lTree -lRint -lPostscript -lMatrix -lPhysics
>> -lMathCore -lThread -pthread -lm -ldl -rdynamic -o libIntKeyList.so
>> libIntKeyList.so done
>> [vmarouss_at_Ezhik-HDX18 IntKeyList]$ root
>> *******************************************
>> * *
>> * W E L C O M E to R O O T *
>> * *
>> * Version 5.28/00b 14 March 2011 *
>> * *
>> * You are welcome to visit our Web site *
>> * http://root.cern.ch *
>> * *
>> *******************************************
>>
>> ROOT 5.28/00b (branches/v5-28-00-patches_at_38394, Apr 14 2011, 17:55:00
>> on linuxx8664gcc)
>>
>> CINT/ROOT C/C++ Interpreter version 5.18.00, July 2, 2010
>> Type ? for help. Commands must be C++ statements.
>> Enclose multiple statements between { }.
>> root [0] gSystem->Load("libIntKeyList")
>> dlopen error:
>> /home/vmarouss/ROOTFLUKA/NeuLAND/IntKeyList/./libIntKeyList.so:
>> undefined symbol: _ZTV10IntKeyCntr
>> Load Error: Failed to load Dynamic link library
>> /home/vmarouss/ROOTFLUKA/NeuLAND/IntKeyList/./libIntKeyList.so
>> (int)(-1)
>> root [1]
>>
>>
Received on Thu Apr 14 2011 - 21:03:34 CEST