No way does it take 12h, something must be terribly wrong with your setup. It should take < 30 minutes even on a laptop. Nevertheless you can pick up a binary version of cling here: https://ecsft.cern.ch/dist/cling Don't be scared by the invalid SSL certificate: it's the best CERN can give to us...
Re: Build time
Hi Armin,
No way does it take 12h, something must be terribly wrong with your setup. It should take < 30 minutes even on a laptop. Nevertheless you can pick up a binary version of cling here: https://ecsft.cern.ch/dist/cling Don't be scared by the invalid SSL certificate: it's the best CERN can give to us...
Cheers, Axel