Thread-topic: IOUserClient changed since 10.3? Can't load kext on 10.3.9
Hi Godfrey.
I'd wondered the same thing, and stared at my macros already!
However, having stumbled on the magic spell at
http://developer.apple.com/technotes/tn2006/tn2163.html
everything works as desired!
Thanks anyway,
Andy
> -----Original Message-----
> From: email@hidden [mailto:email@hidden]
> Sent: 11 July 2008 00:58
> To: Andy Green
> Cc: email@hidden
> Subject: Re: IOUserClient changed since 10.3? Can't load kext
> on 10.3.9
>
> G'day Andy,
>
> It is possible to build a driver using the 10.3.x macosx and
> load them
> on later system. The key to the kernel binary compatibility is the
> use of the OSMetaClass macros to tell the link loader where to find
> the vtables that need to be patched at load time.
>
> You are getting a link loader failure so that make sme think that
> there may be some problem with your OSDeclare... and
> OSDefine... macros.
>
> Godfrey
>
> On 2008-07-11, at 1:41 , Andy Green wrote:
>
> >
> >> On Jul 9, 2008, at 2:37 PM, Andy Green wrote:
> >>
> >>> I've got a kext that loads successfully on 10.4 onwards.
> >>> However, it won't load on 10.3.9: kextload reports
> >>>
> >>> *** is not compatible with it's superclass, 12IOUserClient
> >> superclass
> >>> changed?
> >>>
> >>
> >>
> >> Message: 3
> >> Date: Wed, 9 Jul 2008 15:51:47 +0400
> >> From: Boris Remizov
> >> Subject: Re: IOUserClient changed since 10.3? Can't load kext on
> >> 10.3.9
> >>
> >> Hello,
> >> I think you must build your kext with appropriate SDK
> (MacOSX 10.3.9
> >> in this case).
> >>
> >
> >
> > Hi Boris,
> > Thanks for the reply.
> > I tried that: unfortunately now it won't load on 10.4!
> > I'd really like a single build of the kext that will load on
> > anything -
> > surely this is possible?
>
>
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