|Message: Re: Problem during install||Not Logged In (login)|
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On Mon, 17 May 2010 19:15:03 GMT, paulmcg wrote: > Hi I'm trying to install Geant4-9-3-p01 on Ubuntu 10.04. > > After doing the initial ./Configure -build stage I get the following > output. There's quite a few errors and I'm concerned that the toolkit > won't work. > > The g4makelog is attached. But some of the error messages produced is > here: > > Compiling G4UIcontrolMessenger.cc ... src/G4UIcontrolMessenger.cc: In > member function �virtual void > G4UIcontrolMessenger::SetNewValue(G4UIcommand*, G4String)�: > src/G4UIcontrolMessenger.cc:234: warning: ignoring return value of �int > system(const char*)�, declared with ... Compiling G4OpticalSurface.cc > ... src/G4OpticalSurface.cc: In member function �void
Looking at the Make log, all of the warnings are related to one thing - some parts of the Geant4 code ignore return codes from C functions. GNU C provides "attributes" that developers can apply to functions to warn when return values are ignored, e.g. if the return value is a success/error code (see the GCC manual if you want the gory details). As the libraries look to have been built successfully - there are no errors that I can see, you shouldn't have problems running the toolkit.