On Sun, Jun 13, 2021 at 6:29 PM David A. Wheeler <dwhee...@dwheeler.com> wrote:
> > On Jun 13, 2021, at 5:44 PM, Alejandro Colomar (man-pages) < > alx.manpa...@gmail.com> wrote: > > > > Let's say there's a project with a submake for each module. > > It’s counter-intuitive, but it is usually *MUCH* faster & more accurate to > have a single make process > figure things out in most cases than to use recursive makes. > > For more info, see “Recursive make considered harmful” by Peter Miller: > > https://web.archive.org/web/20200209034547/http://aegis.sourceforge.net/auug97.pdf +1000 In October 2001 I applied the logic of that paper to a 1/2 million line work project to cut its build time by a factor of 20 and make it reliably build the Right Stuff. Took less than a month to win back the entire time I had spent reading the paper and working out the details of the new Makefile setup. Philip Guenther
