[Webkit-unassigned] [Bug 117708] touching any idl rebuilds all derived sources

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=117708





--- Comment #16 from Kentaro Hara <haraken at chromium.org>  2013-06-18 16:54:58 PST ---
(In reply to comment #15)
> After touching an idl without making functional changes (such as editing a comment), the preprocessor still runs every time you compile.

This is expected. To resolve dependency of 'partial', 'implements' and [NoInterfaceObject], we cannot avoid scanning all IDL files when any IDL file is touched. In my local experiment with SSD, the time spent in the preprocessor is very small (less than 1 sec).

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