Re: ARM64 and -mios-version-min=7.0?
Re: ARM64 and -mios-version-min=7.0?
- Subject: Re: ARM64 and -mios-version-min=7.0?
- From: Jeffrey Walton <email@hidden>
- Date: Sun, 13 Oct 2013 14:36:39 -0400
On Sun, Oct 13, 2013 at 11:14 AM, Chris Lattner <email@hidden> wrote:
> On Oct 12, 2013, at 6:36 PM, Jeffrey Walton <email@hidden> wrote:
>>> You can submit 64-bit apps for iOS 7 today that take advantage of the power of the iPhone 5s. Xcode can build your app with both 32-bit and 64-bit binaries included so it works across all devices running iOS 7. If you wish to continue to support iOS 6 then you need to build for 32-bit only. Next month we will be making changes so that you can create a single app binary that supports 32-bit on iOS 6, as well as 32-bit and 64-bit on iOS 7."
>>>
>> Thanks Chris.
>>
>> Forgive my ignorance, but what precisely is this saying?
>>
>> If I build Crypto++ separately for ARMv7, ARMv7S and ARM64, I can use
>> lipo to combine the architectures into a fat binary. So I know (or
>> believe) I can build the multi-arch library.
>>
>> Or will there be a ARM64-32 and ARM63-64, too? To me, its all just ARM64.
>
> This is saying that it is not currently possible to include an ARM64 slice in an application that needs to run on OS's earlier than iOS7, regardless of how you produce it.
>
Oh, I was not aware of that. lipo is more than happy to create that
type of binary without warning.
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