On 05 Jan 2023 16:47, Karl Berry wrote:
> Please excuse my curmudgeonness, but it's not clear to me that avoiding
> sed is worth these hassles in working around the implementation-specific
> bugs in the automatic variables. Especially if we have to invoke a shell
> and various commands anyway, how
We can leverage $(@D) to generate a single pattern rule for all dirstamp
rules. This saves many lines in the output -- normally we create 2 rules
(or 6 lines) per subdir, and projects that use subdirs tend to use them
quite a bit.
In the most extreme & unlikely case (1 subdir, no depdir support),
We changed the depfiles logic to use >> (append) instead of > (truncate)
due to it being slightly faster & nicer to the disk. Do the same with
the dirstamp files as we only need the files to exist -- we don't care
about their content, and we never put anything in them ourselves. If
someone else w
