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Re: cross-compile a kernel for a mid-2005 imac g5 on a macbook pro?
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Re: cross-compile a kernel for a mid-2005 imac g5 on a macbook pro?

  • Subject: Re: cross-compile a kernel for a mid-2005 imac g5 on a macbook pro?
  • From: Brian Bechtel <email@hidden>
  • Date: Wed, 18 Jan 2017 14:01:49 -0800
You have no chance of accomplishing what you would desire. The modern kernel versions which support modern MacBookPro machines have substantial changes from the PowerPC kernel, alone with many accompanying kexts only some of which have open source.

What are you really trying to accomplish?

PowerPC is dead.

On Tue, Jan 17, 2017 at 5:05 AM, ヘンリー <email@hidden> wrote:
     Thanks very much, Brian.  The information, especially the URLs, will
be helpful.
     I need a different kind of information, however, before I can proceed
with the kernel compile.  I am very unfamiliar with how OS X and Darwin,
and the xnu kernel in particular, interact.
     So you are saying the external hard drive that I plan on replacing
into the mid-2005 imac g5 and upon which I hope to compile a kernel for it
needs to be running Leopard?  I am pretty sure I can do that since I have
the original install disks for the mbp.  (I already tried installing
directly on the imac g5, but the boot failed. -- I don't have the install
disks for the imac g5 anymore.)
     What I can't figure out is what xnu source to use.  On the Apple
site "https://opensource.apple.com/tarballs/xnu/" there is a list of
xnu source with version numbers, e.g., xnu-3247.1.106.tar.gz.  What
is the version number equivalent to Leopard?
     And back to my original question, can I compile a kernel using
the "Leopard" xnu source on the mbp's internal drive which runs El
Capitan using the latest compiling tools, or do I need to get dtrace
and other dependencies at the Leopard level?  Are those things even
available anymore?
    Again, thanks so much.

Henry Nelson

2017-01-17 8:57 GMT+09:00 Brian Bechtel <email@hidden>:
> Leopard (10.5) was the last version which supported booting PowerPC
> machines.  SnowLeopard (10.6) allowed you to run PowerPC applications using
> Rosetta.  This is not the same as booting a PowerPC machine.
>
> Depending upon the age of the Intel MacBookPro, it may not be supported by
> Lion.
> <https://en.wikipedia.org/wiki/MacBook_Pro#Software_and_operating_systems>
> and <http://everymac.com> would have more details.
>
> On Mon, Jan 16, 2017 at 3:54 AM, ヘンリー <email@hidden> wrote:
>>
>>      I was hoping to cross-compile a kernel for a mid-2005 imac g5
>> (PowerPC)
>> on a macbook pro (core2duo). Is a cross-compile even possible? If it
>> matters,
>> the target hard disk on the macbook pro has OSX Yosemite installed.
>>      I downloaded the xnu source, xnu-3247.1.106.tar.gz, only to find that
>> the
>> only two archetectures that are supported are X86_64 and X86_64H. Assuming
>> that cross-compiling a kernel is possible, what version (tarball name) of
>> the xnu source should I download? Can I use the latest versions of the
>> other dependencies like dtrace and AvailabilityVersions? (I'm mostly using
>> "http://shantonu.blogspot.com/" as a tutorial as this is my first attempt
>> to
>> build a darwin kernel.)
>>      Thank you so much.
>>
>> Henry Nelson
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References: 
 >cross-compile a kernel for a mid-2005 imac g5 on a macbook pro? (From: ヘンリー <email@hidden>)
 >Re: cross-compile a kernel for a mid-2005 imac g5 on a macbook pro? (From: ヘンリー <email@hidden>)

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