On 02/06/2015 10:29 PM, Petr Skočík wrote:
Hi,
How can I do this please?
I'd like to be able to add new rules or remove old ones, and I don't want this to mark every other target as outdated. I tried resetting the timestamp to its original value as it was before I opened the Tupfile for writing, but even so rebuilding gets triggered for all targets (even if I just open it for writing, close it, and restore the original atime and mtime).

From what I know as long as you don't change* the rules for these "every other targets" they should _NOT_ be rebuilt - tup will check what changed and do only the necessary minimum of work that has to be done.

If your experience is different, then there must be something wrong - post a minimal example and we'll take a look.

Regards,
FCh

* "change" as an actual modification to the command, not just some formatting, saving of Tupfiles or stuff like that - there has to be a change that makes the command string different from what it was previously

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