[webkit-dev] Adding ENABLE_FLEXBOX to WebCore

Tony Chang tony at chromium.org
Wed Jun 8 10:57:06 PDT 2011

Hi webkit-dev,

I wanted to let you know that Ojan and I plan to add flexbox layout support
to WebCore.  WebCore already supports an older flexbox implementation
(display: box), but the new spec is designed to be easier for developers to
understand and more powerful.  The old flexbox will still remain in WebCore
since none of the CSS properties overlap with the new flexbox spec.  The
spec can be found at: http://www.w3.org/TR/css3-flexbox/ (

This support will be behind the ENABLE_FLEXBOX feature define (
https://bugs.webkit.org/show_bug.cgi?id=62049) and there is a meta bug
tracking the feature's development (
https://bugs.webkit.org/show_bug.cgi?id=62048).  I expect this feature to
eventually be enabled by all ports.

I am ready to setup a buildbot for tracking the compile and flexbox related
layout tests.  Should I go ahead and get this added to build.webkit.org's

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