Re: Aclic : option for compilation in 32 bits

 > i got a problem at the compilation with libCint, even with the "SetMakeSharedLib function" :

Humm .. indeed. So you must use a 32bit build of ROOT.

Cheers,
Philippe.

On 8/2/10 2:30 PM, Marc Escalier wrote:
> thanks Philippe and Axel,
>
> by using a root version 32 bits, as you say, it fixes the problem
> (there is other problems on the computer that has the version 32 bits
> of root, but i will try to fix it)
>
> by the way, on the root 64 bits (which is root 5.26/00b) when i did,
> as suggested by Philippe :
>
> TString cmd = gSystem->GetMakeSharedLib();
> cmd.ReplaceAll("-m64","-m32");
> gSystem->SetMakeSharedLib(cmd);
>
> i got a problem at the compilation with libCint, even with the
> "SetMakeSharedLib function" :
>
> ==>
> /afs/in2p3.fr/system/amd64_sl5/usr/local/root/root_v5.26.00b-gcc3.4/root/lib/libCint.so:
> could not read symbols: File in wrong format
>
> example :
> root [0] .x CreateDictionnary.C
> (cout) before ReplaceAll : cmd=cd $BuildDir ; g++ -c $Opt -pipe -m64
> -Wall -W -Woverloaded-virtual -fPIC -pthread $IncludePath $SourceFiles
> ; g++ $ObjectFiles -shared -Wl,-soname,$LibName.so -m64 -O2
> $LinkedLibs -o $SharedLib
> (cout)after ReplaceAll : cmd=cd $BuildDir ; g++ -c $Opt -pipe -m32
> -Wall -W -Woverloaded-virtual -fPIC -pthread $IncludePath $SourceFiles
> ; g++ $ObjectFiles -shared -Wl,-soname,$LibName.so -m32 -O2
> $LinkedLibs -o $SharedLib
> Info in <TUnixSystem::ACLiC>: creating shared library
> /afs/in2p3.fr/home/e/escalier/public/DiPhotons/4DMatrix/WithSelector/./ComputeCategories_2Steps_C.so
>
> /afs/in2p3.fr/system/amd64_sl5/usr/local/root/root_v5.26.00b-gcc3.4/root/lib/libCint.so:
> could not read symbols: File in wrong format
> collect2: ld returned 1 exit status
> Error in <ACLiC>: Compilation failed!
> Error in <TSelector::GetSelector>: file ComputeCategories_2Steps.C+
> does not have a valid class deriving from TSelector
>
> thanks
>
> ===============
> On Mon, 2 Aug 2010, Philippe Canal wrote:
>
>> Hi Marc,
>>
>> With a recent version of ROOT, the following should work:
>>
>> TString cmd = gSystem->GetMakeSharedLib();
>> cmd.ReplaceAll("-m64","-m32");
>> gSystem->SetMakeSharedLib();
>>
>> Cheers,
>> Philippe.
>>
>> PS. Of course the simpliest and cleanest solution is to use a
>> 32bits ROOT to do the compilation.
>>
>> On 8/2/10 10:58 AM, Marc Escalier wrote:
>>> Hello,
>>>
>>> i use a program in compiled mode which needs to be in 32 bits. This
>>> programs need a shared object of a program, that is created "at
>>> hand" by doing :
>>> root
>>> ...
>>> //create a TChain
>>> ...
>>> return mychain_data->Process("myselector.C+");
>>>
>>> ==>it creates myselector_C.so
>>>
>>> but when i compile the main project in 32 bits with -m32 (mandatory
>>> because of some packages only available in 32 bits)
>>> and use in the compilation the so-called myselector_C.so, i occur
>>> the following problem at link :
>>>
>>> bin/myselector_C.so: could not read symbols: File in wrong format
>>>
>>> from google, it would mean an imcompatibility of architecture
>>> (typically 32 bits versus 64 bits)
>>>
>>> would you have an idea ?
>>>
>>> thanks
>>> (unfortunately here, i don't have a minimal program to reproduce the
>>> problem, but i could try if necessary)
>>>
>>
Received on Mon Aug 02 2010 - 21:45:36 CEST