Building a 10.4 compatible CA driver on 10.6
Building a 10.4 compatible CA driver on 10.6
- Subject: Building a 10.4 compatible CA driver on 10.6
- From: "B.J. Buchalter" <email@hidden>
- Date: Thu, 2 Sep 2010 15:28:39 -0400
Hey Folks,
I am trying to build a driver that will load on 10.4.x using a machine that is running 10.6.4 (Xcode 3.2.3).
I have the driver set to use the 10.4u SDK and use the GCC 4.0 compiler.
Everything builds fine, but when I try to load the driver on a 10.4 PPC box, I get (from kextload):
...is not compatible with its superclass, 23IOAudioEngineUnserClient superclass changed?
I have compared the IOAudioEngineUnserClient.h files on both the 10.4 SDK and the ones installed on the 10.4 machine and they are identical.
I suspect that some build setting is causing this problem, but there is not enough information to go on. I vaguely remember we needed to use the 10.4 SDK (not 10.4u) to build drivers for PPC but that SDK is no longer available on 10.6.
Any ideas of how to proceed? We still need to support 10.4 PPC, and having to use two different build machines to deploy a driver is really difficult; it would be great if we could get the build process consolidated onto 10.6.4.
Thanks for any suggestions!!
Best regards,
B.J. Buchalter
Metric Halo
http://www.mhlabs.com
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