[webkit-dev] Growing tired of long build times? Check out this awesome new way to speed up your build... soon (HINT: It's not buying a new computer)

Myles C. Maxfield mmaxfield at apple.com
Tue Aug 29 08:47:41 PDT 2017

I often use the “Show Preprocessed Source” option in Xcode. Will I be able to continue using this?

> On Aug 29, 2017, at 8:10 AM, Sergio Villar Senin <svillar at igalia.com> wrote:
> O Lun, 28-08-2017 ás 17:37 -0700, Keith Miller escribiu:
>> Hello fellow Webkittens,
>> Are you growing tired of long cat naps while waiting 45 minutes for
>> WebKit to build? (I’ve definitely never done this 🤐!)
>> Do you want WebKit to build up to 3-4x faster on a clean build?*
>> Does seeing your incremental build… stay the same sound good?
>> You’ll be purring with excitement after you switch to unified source
>> builds!**
> [...]
>> Are there other issues that people think might occur with unified
>> sources? Note, It’s also likely that there are some source files that
>> need to be excluded from the unified source builds for various
>> reasons.
> I wonder whether the unified sources builds would still allow us to
> keep using compiler caches like ccache.
> Second question/caveat is, wouldn't the bundle build penalize too much
> incremental builds? If your data is correct we would get a <20% build
> time increment for a single change in a cpp file which is I think the
> most common scenario for a WebKit developer.
> Don't get me wrong, I'm really excited about this change, just wanted
> to make sure that it does not penalize too much other scenarios.
> BR
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