[Webkit-unassigned] [Bug 212623] New: Change ANGLE's header postprocessing script to use hashes rather than timestamps

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=212623

            Bug ID: 212623
           Summary: Change ANGLE's header postprocessing script to use
                    hashes rather than timestamps
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: ANGLE
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kbr at google.com
                CC: dino at apple.com, jdarpinian at chromium.org,
                    justin_fan at apple.com, krollin at apple.com
        Depends on: 199212
            Blocks: 212444

In discussions related to Bug 212444, krollin@ points out that the script adjust-angle-include-paths.sh added in Bug 199212 must be changed to stop using timestamps to determine whether it needs to do work. Instead it needs to do something like compute a hash of the contents of each file, and skip touching the file if the hash is unchanged since the last time the script ran.


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=199212
[Bug 199212] Script which adjusts include paths in ANGLE's copied headers breaks incremental builds
https://bugs.webkit.org/show_bug.cgi?id=212444
[Bug 212444] New build system causing full WebCore recompiles
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