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Re: Downloading OS X 10.9 source code
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Re: Downloading OS X 10.9 source code

  • Subject: Re: Downloading OS X 10.9 source code
  • From: Phil Jordan <email@hidden>
  • Date: Wed, 08 Jan 2014 23:03:08 -0800
Hi,

Yeah, the instructions on the developer site are woefully out of date.

Shantonu Sen at Apple (who also shows up on this list every now and then… hi!) publishes step-by-step instructions including precise build environment requirements, for each major release. The ones for 10.9 are here:

http://shantonu.blogspot.ca/2013/10/building-xnu-for-os-x-109-mavericks.html

You can find the older versions in the blog's archives. Those have always worked well for me - my only piece of advice is to stick to the provided OS, Xcode and other version requirements precisely. If you find yourself in some tangled web of build errors, you're probably running the wrong version of something.

Before 10.9, it was possible to replicate Apple's official kernel builds pretty much exactly. In 10.9, the CPU power management stuff seems to be missing from the public sources. Previous versions had these in a closed-source kext, which loaded just fine on open source kernels. So you might find your battery life somewhat worse when running one of your own kernels.

Hope that helps,

Phil

--
http://philjordan.eu/ - Phil Jordan, software development contractor 
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 >Downloading OS X 10.9 source code (From: Philip Pinkerton <email@hidden>)

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