On Fri, 2015-03-27 at 11:45 -0400, Paul Smith wrote: > * Do we really need to hash the file? Maybe simply expanding the > current checking is sufficient. For example, if in addition to > mod time we also considered the size of the file (and maybe > other things maintained by the filesystem like inode, for tools > which don't just overwrite the same file) we could increase our > accuracy WITHOUT resorting to a separate state file. Is that > good enough?
Actually I typed faster than my brain: we still need a state file of course to compare sizes. But at least it's still based on filesystem metadata and doesn't require make to hash the contents of every file in the build. _______________________________________________ Bug-make mailing list Bug-make@gnu.org https://lists.gnu.org/mailman/listinfo/bug-make