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[SR-545] Unable to use IOBluetooth framework with Xcode 7.2 and Swift 2.2 toolchain in clean project #43162

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swift-ci opened this issue Jan 14, 2016 · 4 comments
Closed

[SR-545] Unable to use IOBluetooth framework with Xcode 7.2 and Swift 2.2 toolchain in clean project #43162

swift-ci opened this issue Jan 14, 2016 · 4 comments
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@belkadan
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself

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@swift-ci
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Previous ID SR-545
Radar None
Original Reporter mattrajca (JIRA User)
Type Bug
Status Resolved
Resolution Done

Attachment: Download

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug
Assignee @belkadan
Priority Medium

md5: a1482ba762fa12de03cb0bff167c49cc

Issue Description:

I am unable to declare a simple variable of type IOBluetoothDevice without getting a build error of "`IOBluetoothDevice` is ambiguous for type lookup in this context".

There are no other source files or frameworks included beyond what is shown in the snippet above.

This reproduces with a clean install of Xcode 7.2, the January 11 Swift 2.2 toolchain, and the project file attached here: http://cl.ly/0x37283k3G3j

This is a regression from Swift 2.1.

Steps to reproduce:

1. Install Xcode 7.2 from the Mac App Store
2. Download and install the Swift 2.2 toolchain from https://swift.org/download/
3. Run Xcode 7.2 with xcrun launch-with-toolchain /Library/Developer/Toolchains/swift-latest.xctoolchain
4. Try building the project.
@lplarson
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Verified reproducible.

@belkadan
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I'm not sure why the behavior changed, but we really do have two things called "IOBluetoothDevice": an Objective-C class, and an "IOBluetoothDeviceRef" CF type that gets mapped into Swift as "IOBluetoothDevice". (To add insult to injury, they are actually the same type.)

I'll look into just not importing IOBluetoothDeviceRef.

@belkadan
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Fixed in 621edeb. I'll see about getting it into the 2.2 branch.

@belkadan
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Cherry-picked to the 2.2 branch as 44be782.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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@belkadan belkadan

Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
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@belkadan @swift-ci @lplarson