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Open Using Rosetta Not Working



I have a universal application that I have compiled using Xcode 2.2. I have verified that it runs Intel code on Intel and PowerPC code on PowerPC (by copying the entire package to a G4 PowerPC machine and running it there).

Some of my customers will need to run the PowerPC code on Intel since some of our plug-ins can not be compiled for Intel (because third-parties have not provided Intel libraries or frameworks - e.g., National Instruments, Microsoft).

So I tried to force the PowerPC code to run on Intel by checking the Open Using Rosetta checkbox in the Finder. However, the Intel code still runs. This is true even if I restart the machine and launch the application from the Finder.

After setting the LSPrefersPPC key in Info.plist to true, which is supposed to make it prefer PowerPC, it still runs the Intel code.

If I compile for PowerPC only, it runs under fine Rosetta.

I could not find any mention of problems with "Open Using Rosetta". Does anyone have any clues?

Howard Rodstein
WaveMetrics
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