[swift-dev] ObjC Interoperability under armv7--linux-gnueabi
daniel at apportable.com
Tue Mar 29 15:26:23 CDT 2016
I’d be interested in the patches.
> On Mar 29, 2016, at 1:03 PM, Iliya Trub via swift-dev <swift-dev at swift.org> wrote:
> Dear colleagues
> Ihave built swiftc, libswiftCore.so and other outputs under armv7--linux-gnueabi with open source ObjC-runtime and enabled ObjC interop. I linked the simplest swift-application, which creates the instance of custom ObjC-class and call instance-method of it. If somebody interested, I am ready to provide patches, though I know that it can not be included into upstream. But there is not success yet. When I try to run application under armv7l-linux, I get following error:
> Error: Instance variables in _SwiftNativeNSArrayBase overlap superclass
> NSArray. Offset of first instance variable, __magic_refCount, is 4.
> Last instance variable in superclass, _sortedArrayHint, ends at offset
> 8. This probably means that you are subclassing aclass from a library,
> which has changed in a binary-incompatibleway.
> Could anybody explain it? I think, it is explained by some difference between NSArray-implementation in XCode framework and in my opensource library. Is it true? And in what way I can try to fix it? May be, to modify my NSArray-source, but how?
> Thanks in advance for answer.
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