Yeah, Apple really make it hard to set up older OS installs for dev testing.
If you copy the old installer to the hard disk partition and set it as the boot drive and reboot, does that work? The installers are (I believe) designed to run with no OS at all. —Graham > On 18 Nov 2015, at 11:50 AM, Quincey Morris > <quinceymor...@rivergatesoftware.com> wrote: > > I want to install 10.8.5 somewhere, to debug an app compatibility issue on > that OS, but I can’t seem to figure out how. > > I have an empty hard disk I can use, but there’s nothing installed on it. > I’ve got the Mountain Lion installer app from the App Store, but it won’t run > under El Capitan. (It’s “too old” to run.) So, without an older OS X to run > it on, I can’t get an older OS to run it on. (The Yosemite installer won’t > run either.) > > What’s the right way to go about this? > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/graham.cox%40bigpond.com > > This email sent to graham....@bigpond.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
