Hi Brian,
This looks like a dynamic loading problem on MacOS.
To see if this is the case, add in your main program
#include <TApplication.h>
int main(int argc, char **argv)
{
TApplication theApp("App", &argc, argv);
.. your own code
..
}
Rene Brun
On Fri, 14 Feb 2003,
Brian Kurt Fujikawa wrote:
> Hello
>
> I'm running root v3.04.02 (source installation) on MacOSX 10.2.3 (X Public
> Beta 0.2). I am having trouble running a standalone program that loads
> trees. Specifically, my program includes the lines:
>
> TFile* EventFile=
> new TFile("/Users/bkf/emiT/data/Data1_20021209_15477.root");
> TTree* CoincidenceEventTree=
> (TTree*)EventFile->Get("Event/CoincidenceEventTree");
> TBranch* CoincidenceEventBranch=
> CoincidenceEventTree->GetBranch("CoincidenceEventBranch");
>
> and when I run it, I get the following error messages:
>
> Warning in <TClass::TClass>: no dictionary for class TTree is available
> Warning in <TClass::TClass>: no dictionary for class TBranchElement is
> available
> Warning in <TClass::TClass>: no dictionary for class TBranch is available
> Warning in <TClass::TClass>: no dictionary for class TLeafElement is
> available
> Warning in <TClass::TClass>: no dictionary for class TLeaf is available
> Error in <TBuffer::CheckByteCount>: object of class TNamed read too few
> bytes: 26 instead of 821615
> Warning in <TBuffer::CheckByteCount>: TNamed::Streamer() not in sync with
> data on file, fix Streamer()
>
> *** Break *** bus error
> Abort
>
>
> This programs DOES run when I execute it as a script in root and it also
> runs on a linux box.
>
> I am using the following commands to build this program ("myprog"):
>
> g++ -O -Wall -pipe -I/Users/bkf/include/DAT/ -I/Users/bkf/root/include -c
> myprog.cc
> g++ -O -Xlinker -bind_at_load -flat_namespace -o myprog myprog.o
> -L/Users/bkf/lib/ -lDATEvent -L/Users/bkf/root/lib -lCore -lCint -lHist
> -lGraf -lGraf3d -lGpad -lTree -lRint -lPostscript -lMatrix -lPhysics -lm
> -ldl
>
> Any ideas?
>
> Best Regards
>
> Brian
>
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