Problem: generate.sh does not exit2 if gsl is not found
Problem: generate.sh does not exit2 if gsl is not found

zeromq/zyre,zeromq/zyre,zeromq/zyre,hintjens/zyre,hintjens/zyre,zoobab/zyre,zeromq/zyre,hintjens/zyre,twhittock/zyre,zoobab/zyre,zoobab/zyre,twhittock/zyre,twhittock/zyre,twhittock/zyre,twhittock/zyre,zoobab/zyre,zeromq/zyre,hintjens/zyre,zoobab/zyre,twhittock/zyre,zoobab/zyre,hintjens/zyre,twhittock/zyre,zeromq/zyre,zeromq/zyre,hintjens/zyre,zoobab/zyre,twhittock/zyre,zeromq/zyre,hintjens/zyre,hintjens/zyre,zoobab/zyre