move to ARC / modern obj-c syntax? about specta HOT 9 CLOSED

This is going to mean targeting 64-bit only on OS X. We should probably target 32/64-bit on iOS at the same time.

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Yes that is correct, 64-bit only for OS X, and both 32 and 64-bit for iOS
Correct me if I am wrong, but AFAIK all of the above should be supported by iOS 6+ / OSX 10.7+?

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@jspahrsummers What do you think? Maybe we can have the same deployment target as GitHub's open source libraries.

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Actually, we'll need to skip 64-bit iOS until a future release of Xcode. If iOS 6.1 is the target, it can't contain 64-bit architectures just yet.

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Just quickly (as this is early days for me with Specta's source):

/Users/tonyarnold/Documents/Open Source Projects/Specta/test/UnexpectedExceptionTest.m:0: error: -[_UnexpectedExceptionTestSpec group_example_1] : MyException: Oh Noes! %@

I'm seeing that when running Specta's test suite in master without any changes at all — is that expected? I've converted everything to ARC in a branch that I'll push up, but I'm seeing the exact same failure there.

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I am seeing it too with Xcode 5.0.1/OS X 10.9, this is not expected, I haven't investigated

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OK, great. Well the basic conversion to ARC/modern Objective-C is (strangely enough) in the arc-and-modern-objective-c branch. I've updated the targets to iOS 6.1 & OS X 10.8, but I'd imagine they can both go back a notch if needs be.

Beyond that, I'll have a sweep through and look for anything awry, but there are no analyser warnings, nor build errors — just the failing exception test.

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@tonyarnold would you mind creating a [WIP] pull request from the arc branch? It's easier to review and give feedback this way

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@tonyarnold @petejkim Yeah, our open source projects don't target 64-bit iOS yet. The lack of support for fat binaries is part of the reason, and the other is not being able to build on 10.7 (which is what our CI is).

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