I have XCode 4.2 and need to submit a Mac app to App Store. I've tried all kinds of suggested methods to get the multi-resolution icons in there, so you don't need to inform me on that.
The remaining method is to use iconutil. I've searched in Spotlight, searched my Mac's harddisk in Finder, two later XCode .dmg images, sudo find in Terminal, and looked for paths on the web. The XCode 4.4.1 .dmg had Iconutil.strings and Iconutil.xcspecs, but that's as far as I've come.
Is there a package I can download to get this command or tool, so I can convert the .iconset? If there is a setting I can change in XCode to make it allow the old .icns files (before 1024x1024 and 512x512@2x), that would be a solution that I could accept temporarily. I have OS 10.6.8.
EDIT
I would accept an answer that confirms whether the command is there in 10.6.8 and where it is. I would accept an answer that links to a valid .icns file with 512x512 and 512x512@2x (preferably uncompressed .png inside) that has been approved by App Store validation recently.
I have both Xcode 4.2 and Xcode 3.2.5 installed on Snow Leopard and iconutil is not in the system.