On 3/1/2012 10:11 AM, Michael Jackson wrote: > AFAIK Xcode 3 does not run on OS X 10.7. You have to use Xcode 4 which ONLY comes with SDKs for 10.7. So it seems that OS X 10.6.8 is the current sweet spot for 10.5 through 10.7 support. Xcode 3 runs on 10.7. You need to do some silly moving around to get both installed, but it works fine.