Re: Compile Objective C 2.0 code on Linux
Re: Compile Objective C 2.0 code on Linux
- Subject: Re: Compile Objective C 2.0 code on Linux
- From: Jean-Daniel Dupas <email@hidden>
- Date: Thu, 18 Dec 2008 18:13:10 +0100
Le 18 déc. 08 à 17:47, Jake McMahon a écrit :
I hate to bring this up now but you guys have been so helpful.
What about getting trying to accomplish this on the last binary
version of Darwin released by Apple
On Thu, Dec 18, 2008 at 11:44 AM, Benjamin Huntsman
<email@hidden> wrote:
autozone is a garbage collector that garbage collects a specific
region of memory, the AutoZone... :) I'd think it'd be a major
horror to port to Linux, given that it's memory model is different,
and I doubt you want to monkey with that anyway.
I'd start by looking at the older PureDarwin releases
(puredwarin.googlecode.com). They had a patch for objc4 that
eliminated the dependency on autozone. They got removed from the
distribution after Apple open-sourced autozone, though. If you
can't find 'em, I'll e-mail the diffs to you. I'd start by
applying the patches, then try to get objc4 ported. Contrary to
what someone mentioned earlier, it -does not- depend on
Foundation. It does however depend on CoreFoundation, which is
open source and has been successfully compiled on Linux...
That's not how I interpret this comment from objc_exception.m (in obj4
project):
// quick and dirty exception handling code
// default implementation - mostly a toy for use outside/before
Foundation
// provides its implementation
// Perhaps the default implementation should just complain loudly and
quit
objc4 used to run on several UNIXes, and Windows, so it should be
possible to port, though it'll be some heavy-duty work, as Apple
stripped out all the cross-platform stuff. While I think it'd be a
great service to the community to have Apple's runtime available on
other platforms (after all, they pretty much own obj-c), it might
be easier to implement objc 2.0 features in the GNU runtime...
Good luck!!
-Ben
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