Swift 3的链接器命令失败，退出代码为1(使用-v查看调用) [英] Linker command failed with exit code 1 (use -v to see invocation) with Swift 3

问题描述

我正在构建一个Swift库，并且正在将其托管在GitHub上.

I am working on building a Swift library and am hosting it on GitHub.

一切正常，直到我向项目添加了 BluetoothKit .然后我收到一个Apple Mach-O链接器错误:

All was going fine until I added BluetoothKit to the project. I then got an Apple Mach-O Linker Error:

ld: warning: directory not found for option '-F/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.0.sdk/Developer/Library/Frameworks'
ld: /Users/calebklevetertest/Library/Developer/Xcode/DerivedData/Napalm-dblvhbjdwovurocsvzrzaxzkjjyw/Build/Products/Debug-iphonesimulator/Napalm.framework/Napalm compiled with older version of Swift language (2.0) than previous files (3.0) for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

从阅读错误开始，似乎问题出在某种程度上是由于我使用的是Swift 3，但我不知道该如何解决.

From reading the error it appears the issue somehow stems from the fact I am using Swift 3, but I can't figure out how to fix it.

我确实在添加BluetoothKit时将其转换为Swift 3.

I did convert BluetoothKit to Swift 3 when I added it.

有一个使用BluetoothKit的类，它称为NPFBluetooth.

There is one class that uses BluetoothKit and it is called NPFBluetooth.

需要注意的几件事是:1)即使该类是公共类，编译器也会给出未解决的标识符"错误； 2)该类未在自动完成中显示； 3)所有其他类都可以正常工作

A couple things to note are 1) Even though the class is public, the compiler gives an error of 'unresolved identifier', 2) The class does not show in the auto-complete and 3) All the other classes work fine.

推荐答案

我在迁移到swift3时遇到了错误.事实证明，Xcode保留了已构建框架的副本，而转移到swift3显然不是重建那些框架的线索(即使在发现它是使用swift2构建之后……也不要让我们抛出一个模糊的错误……)

I ran into the error migrating to swift3. As it turns out Xcode keeps copies of built frameworks and moving to swift3 is apparently not a cue to rebuild those (even after finding out it was built using swift2.... no let's throw a vague error instead...)

解决方案是删除您的派生数据"文件夹中的内容.

适用于随Carthage和cocoapods安装的框架.....

Works for frameworks installed with Carthage and cocoapods.....

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