id summary reporter owner description type status milestone component version severity resolution keywords cc 12465 "Suggest promoting -j to ""Important Options"" in help output" Phil Endecott Vladimir Prus "Currently ./b2 --help doesn't mention -j; one has to ./b2 --help-options, which is described as ""Print more obscure command line options"". Almost everyone has multi-CPU system these days (even in their phones!). Building Boost on one CPU would be a mistake. Maybe Boost.Build should default to using multiple processors. Failing that, the -jN option should be considered an ""important"" option and be mentioned more prominently. Wanting to use multiple CPUs is not ""obscure"" any more." Feature Requests new To Be Determined build Boost 1.61.0 Optimization