[webkit-dev] Compiling WebKit up to 25% faster in Windows?

Jarred Nicholls jarred at webkit.org
Tue Mar 26 11:42:53 PDT 2013

On Tue, Mar 26, 2013 at 2:37 PM, Ryosuke Niwa <rniwa at webkit.org> wrote:

> On Tue, Mar 26, 2013 at 11:21 AM, Daniel Bratell <bratell at opera.com>wrote:
>> Is this something that has been talked about in the past, and would you
>> be interested in replacing the long list of directories to search for every
>> include with paths (relative some good base) directly in the include
>> directives?
> Using explicit paths to include files has been talked about in the past;
> e.g.
> https://lists.webkit.org/pipermail/webkit-dev/2011-November/018632.html
> The most convincing counter argument I can remember is that it'll make
> refactoring harder because you'll have to update all #include's when you
> move headers.

A few tailored scripts make that an easier job.  We're all engineers after

> It would be great if we can figure out if this also improves the build
> time on Mac/Linux.

Agreed.  Somewhat apples and oranges of course, but the noticeable slow
down when compiling WebKit versus the rest of Chromium, file to file, is
enormous.  Chromium does a full path include directive from the base of the
src by convention.  I'd love to see Windows builds sped up; definitely the
biggest pain point in continuous integration.

> - R. Niwa
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