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https://issues.apache.org/jira/browse/DERBY-5479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-5479:
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Attachment: d5479-1a.diff
Attaching a patch which makes the checkmessages target touch the file
generated/checkmessages.done when it's done, and adds logic to skip the target
if all the message files are older than generated/checkmessages.done.
(Is the "generated" dir the right place to put such a file? Or should we have a
new "generated/timestamps" directory to avoid cluttering the root of the
generated dir?)
> Don't run MessageVetter unless messages have changed
> ----------------------------------------------------
>
> Key: DERBY-5479
> URL: https://issues.apache.org/jira/browse/DERBY-5479
> Project: Derby
> Issue Type: Improvement
> Components: Build tools
> Affects Versions: 10.9.0.0
> Reporter: Knut Anders Hatlen
> Assignee: Knut Anders Hatlen
> Priority: Minor
> Attachments: d5479-1a.diff
>
>
> Continuing my series of patches micro-optimizing the build scripts...
> MessageVetter is always run as part of the build, also in incremental builds
> when nothing has changed. Since it needs to go through more than 800 files,
> it may take a while (just half a second on the fastest machine I tested, so
> not a big deal, but that's still a significant portion of the total time in
> an incremental build). We should skip the message check in incremental builds
> if none of the messages have changed.
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