[Webkit-unassigned] [Bug 192391] Use hash in Unified Sources filenames instead of ascending integers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=192391

--- Comment #14 from Carlos Eduardo Ramalho <cadubentzen at gmail.com> ---
(In reply to Fujii Hironori from comment #13)
> IIUC, this change leaves stale generated unified sources and its object
> files.
> IIUC, source files are grouped by directories. What about using filenames
> UnifiedSource-{hash-of-dir-name}-{seq-num-within-the-dir}.cpp?

Well noted! I'll try to do as per you recommendation and see.

Although in this new way it'll be sub-optimal compared to the original strategy because we'll have a sequence of unified sources for a given folder which may be all changed after adding a new source. But it should still speed up recompilation a lot compared to the worst case scenario as described in the example.

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