Small number of minutes vs less than a minute. The last time I built something by hand in both places, it seemed to take 2x to 3x as long to run all the autoco

Small number of minutes vs less than a minute. The last time I built something by hand in both places, it seemed to take 2x to 3x as long to run all the autoconf checks on MacOS. That's basically a fork / exec / open /close sort of benchmark.