Thursday, July 21, 2011

OSX Lion and Xcode 4.1

We've upgraded to OSX Lion and Xcode 4.1 and it has been an interesting process. Here's the steps we took.
  1. The first was to make sure we were upgraded to 10.6.8 before we started anything.
  2. Purchase and download OSX Lion from the App Store (Note, you before starting the installation you may want to create a bootable drive)
  3. Install OSX Lion
  4. Java is not installed by default, so after Lion is installed you can install Java by going to a Terminal and typing "java -version" and it'll start a download to install Java.
  5. Before installing Xcode 4.1 it's good to remove any previous versions of Xcode
    1. Uninstall any previous Xcode by issuing a "sudo /Developer/Library/uninstall-devtools"
    2. In ~/Library issue a "find . -name *Xcode*" and remove each file/directory
    3. In ~/Library issue a "find . -name *Simulator*" and remove each file/directory
    4. Reboot
  6. Next find Xcode 4.1 on the App Store and download and install it. This just installs the installer. You then have to install it. The installer can be removed when you're finished.
  7. If Xcode launches with errors or has no menu times you'll need to reinstall iTunes. The download has the 64-bit universal builds now.
The only issue we've seen is that Core Location isn't working in the simulator and generates an error. See our post on the developer forums.

3 comments:

  1. Was wondering why the Installer would just barber-pole for hours, tried Show Package Contents, going to the Resources folder and running Xcode.mpkg, and I get a Java error as noted above. However, when I open Terminal and type java -version, Lion searches Software Update and says that the software is currently unavailable. Hmn.

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  2. Did you have iTunesHelper running? That can stop it, and I have to kill it with the Activity Monitor. But, usually you can see it says that iTunes is still running.

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