> My Apple platforms are:
>>>
>>> - AppleTVOS.platform
>>> - AppleTVSimulator.platform
>>> - MacOSX.platform
>>> - WatchOS.platform
>>> - WatchSimulator.platform
>>> - iPhoneOS.platform
>>> - iPhoneSimulator.platform
>>>
>>> Each has their own versions (Apple TV only has 9.1, iPhone and
>>> iPhoneSimulator have 9.2, WatchOS has 2.1)
>>> Simulator may need i386, or x86_64, depending on the device being
>>> simulated.
>>>
>>
>> Oh, wow. The list of SDKs has gotten big. There's definitely some pain
>> points, like trying to build for Apple TV and Watch.
>>
>> How do you think the script should operate? Or how would you expect to
>> use it? (The open question for me is how to select, say, ARMv7 and ARMv7s,
>> since they are both iPhoneOS).
>>
>> Jeff
>>
>
> Well I have no idea the use cases for WatchOS and the like, iPhone is
> clearly dominant. So I think just wrapping the do in another do for
> card-coded iPhoneOS, iPhoneSimulator, since these are not added often. We
> use an iPhone 4S, which is about as far back as you can reasonably go
> (2010). ARMv7, The 5 is a ARM7s variety. http://iossupportmatrix.com/
>
> As for the SDKs:
> for i in `ls`; do ls -l $i/Developer/SDKs; done
> total 8
> drwxrwxr-x 7 root wheel 238 Jan 6 12:02 AppleTVOS.sdk
> lrwxr-xr-x 1 root wheel 13 Jan 6 12:01 AppleTVOS9.1.sdk ->
> AppleTVOS.sdk
> total 8
> ...
>
>
> Maybe just drop the version and use the symlinks?
>
Yeah, that sounds like a good idea. Do you know how far back it works with
Xcode?
As for the other issues surrounding the script, it seems we really need to
control:
* SDK and version (IPhoneOS, WatchOS, etc)
- your solution
* Architecture
- maybe, depending on 32 vs 64-bit
- can we use, say ARMv7 for ARMv7s
- should be OK as we don't use SIMD insns
- may require -force_cpusubtype_ALL
- maybe architecture should be optional
- if not specified, use common subset (ARMv7 for ARMv7s)
- if specified, use it instead (user asked for ARMv7s)
* C++ runtime
- still need GNU vs LLVM
- LLVM by default
That means we would invoke the script as:
# iPhone, ARMv7, LLVM
./setenv-ios iPhoneOS
# iPhone, ARMv7s, LLVM
./setenv-ios iPhoneOS armv7s
# iPhone, ARMv7, GNU
./setenv-ios iPhoneOS gnu
# iPhone, ARMv7s, GNU
./setenv-ios iPhoneOS armv7s gnu
# iWatch (ARM or MIPS or AVR?), LLVM
./setenv-ios WatchOS
...
Fat binaries has been a pain point for me for years. Rather than supporting
them in the script, maybe we should just state a policy of "we don't do
them; use xcrun and lipo to create them".
What do you think?
Jeff
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