Follow-up Comment #4, bug #20394 (project make):
Something like that could be tricky to accomplish, since make is highly
recursive: when make starts checking for timestamps on files it doesn't know
whether that file was found using implicit or explicit rules, etc.
Plus, I think it would be even
Follow-up Comment #3, bug #20394 (project make):
It would maybe make sense to rely on the directory cache only for
intermediate search and match-anything rules. Because these two alone
increase the number of file-queries by a factor of about 10. That is just
from the 5 built-in rules (which moreo
