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Re: Xcode 2.0 kext load problem



Dean,

After more searching (still not quite used to new search in 10.4) I did find
the ppc/ansi.h file in the 10.2.8 SDK, but the compiler can't seem to find
it, as shown by the error message in Xcode:

 "/Developer/SDKs/MacOSX10.2.8.sdk/System/Library/Frameworks/Kernel.framewor
k/Headers/machine/ansi.h:33:22: error: ppc/ansi.h: No such file or directory


Ron


On 5/19/05 12:32 PM, "Ron Duritsch" <email@hidden> wrote:

> More information, and problems: After reading up a bit more in the darwin
> mailing list archives I saw where a couple of years ago there was a similar
> problem whose root cause was that the original project file emanated from
> the old ProjectBuilder application, and there were flags problems. That's
> the case here in that the project file has moved along from Project builder
> through Xcode 1.0, 1.5, and now 2.0. So I decided to create a new project
> file in Xcode 2.0. This was done quickly and easily, and compiled against
> the Current SDK in GCC 4.0. The resultant PCI kext runs fine in Tiger. I
> then tried to target the 10.2.8 SDK. The kext would not build because it
> can't find the "ppc/ansi.h" file, referenced from "machine/ansi.h" in the
> 10.2.8 SDK:
> 
> #if defined (__ppc__)
> #include "ppc/ansi.h"
> #elif defined (__i386__)
> #include "i386/ansi.h"
> #else
> #error architecture not supported
> #endif
> 
> Indeed, this "ppc/ansi.h" file is not on my machine. The same missing file
> problem occurs when I target the 10.3.9 SDK.
> 
> So I tried kextload on the kext I built targeting the 10.4 SDK onto a 10.3.9
> system, and I get the original "... is not compatible with its superclass"
> error message.
> 
> Still hoping for some clues,
> 
> Ron Duritsch
> Diagnostic Instruments, Inc.
> 
> 
> On 5/19/05 10:03 AM, "Ron Duritsch" <email@hidden> wrote:
> 
>> I am maintaining a PCI kext for a digital camera that operates on 10.2,
>> 10.3, and now 10.4.1. If I build the kext in Xcode 1.5 it will load and work
>> fine  on all three operating systems. If, however, I build it on Xcode 2.0
>> in Tiger, it will only load and run on Tiger. It will not load at boot time
>> on 10.3.9. If I try kextload in Terminal on 10.3.9 I get the following error
>> message:
>> 
>> 25com_diaginc_iokit_SpotPCI is not compatible with its superclass,
>> 9IOService superclass changed?
>> kextload: a link/load error occured for kernel extension
>> /System/Library/Extensions/SpotPCI.kext
>> load failed for extension /System/Library/Extensions/SpotPCI.kext
>> 
>> I am building against the 10.2.8 SDK. I get the same load error whether I
>> compile using GCC 4.0 or 3.3 in Xcode 2.0.
>> 
>> In the Xcode 2.0 release notes "About Xcode Tools", under the section
>> entitled "Compatibility of Built Binaries" it reads "IOKit-based device
>> drivers built with the GCC 3.3 or GCC 4.0 compilers will run on Mac OS X
>> v10.2 (Jaguar), Mac OS X v10.3 (Panther), and Mac OS X v10.4 (Tiger)
>> systems."
>> 
>> Any clues or hints as to what I need to change to get this to work?
>> 
>> Thanks,
>> 
>> Ron Duritsch
>> Diagnostic Instruments, Inc.
>> 
>> 
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 >Re: Xcode 2.0 kext load problem (From: Ron Duritsch <email@hidden>)



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