iOS：<未知>：0：错误：未知参数：'-enable-batch-mode'命令CompileSwiftSources失败，退出代码为非零 [英] iOS: <unknown>:0: error: unknown argument: '-enable-batch-mode' Command CompileSwiftSources failed with a nonzero exit code

问题描述

我有一条我不理解的错误消息。我在 www.swift.org 上下载了swift工具链4.0.3，因为我收到一条错误消息 使用Swift 4.0.3编译的模块无法由Swift 4.2编译器导入：

I have an error message that I don't understand. I downloaded on the www.swift.org the swift toolchain 4.0.3 because I had an error message "Module compiled with Swift 4.0.3 cannot be imported by the Swift 4.2 compiler:"

现在，它使我得到了不同的消息：

Now, it makes me a different message:

CompileSwiftSources normal arm64 com.apple.xcode.tools.swift.compiler (in target: CameraDemo)
    cd /Users/OlostA/Desktop/Git/r-d/CamBox
    export DEVELOPER_DIR=/Applications/Xcode.app/Contents/Developer
    export SDKROOT=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS12.0.sdk
    export TOOLCHAINS="org.swift.40320171205a "
    /Library/Developer/Toolchains/swift-4.0.3-RELEASE.xctoolchain/usr/bin/swiftc -incremental -module-name CameraDemo -Onone -enable-batch-mode -enforce-exclusivity=checked -sdk /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS12.0.sdk -target arm64-apple-ios9.3 -g -module-cache-path /Users/OlostA/Library/Developer/Xcode/DerivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Index/DataStore -swift-version 4 -I /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Products/Debug-iphoneos -F /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Products/Debug-iphoneos -F /Users/OlostA/Desktop/Git/r-d/framework/iphonesimulator -F . -F CameraDemo -F YI360Demo -F . -F CameraDemo -F YI360Demo -F . -F CameraDemo -F YI360Demo -F /Users/OlostA/Desktop/Git/r-d/CamBox/YICamera.framework -F /Users/OlostA/Desktop/Git/r-d/CamBox/SwiftyJSON.framework -F /Users/OlostA/Desktop/Git/r-d/CamBox/CocoaAsyncSocket.framework -F . -F CameraDemo -F YI360Demo -F /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Products/Debug-iphoneos/CocoaAsyncSocket.framework -F /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Products/Debug-iphoneos/YICamera.framework -F /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Products/Debug-iphoneos -F /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Products/Debug-iphoneos/CameraDemo.app -F /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Products/Debug-iphoneos/CameraDemo.swiftmodule -F /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Products/Debug-iphoneos/CameraDemo.app/Frameworks -F /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Products/Debug-iphoneos/CameraDemo.app/_CodeSignature -F /Users/OlostA/Desktop/Git/r-d/CamBox -c -j4 /Users/OlostA/Desktop/Git/r-d/CamBox/CameraDemo/ViewController.swift /Users/OlostA/Desktop/Git/r-d/CamBox/CameraDemo/AppDelegate.swift -output-file-map /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Intermediates.noindex/CameraDemo.build/Debug-iphoneos/CameraDemo.build/Objects-normal/arm64/CameraDemo-OutputFileMap.json -parseable-output -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Intermediates.noindex/CameraDemo.build/Debug-iphoneos/CameraDemo.build/Objects-normal/arm64/CameraDemo.swiftmodule -Xcc -I/Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Intermediates.noindex/CameraDemo.build/Debug-iphoneos/CameraDemo.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Intermediates.noindex/CameraDemo.build/Debug-iphoneos/CameraDemo.build/CameraDemo-generated-files.hmap -Xcc -I/Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Intermediates.noindex/CameraDemo.build/Debug-iphoneos/CameraDemo.build/CameraDemo-own-target-headers.hmap -Xcc -I/Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Intermediates.noindex/CameraDemo.build/Debug-iphoneos/CameraDemo.build/CameraDemo-all-target-headers.hmap -Xcc -iquote -Xcc /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Intermediates.noindex/CameraDemo.build/Debug-iphoneos/CameraDemo.build/CameraDemo-project-headers.hmap -Xcc -I/Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Products/Debug-iphoneos/include -Xcc -I/Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Intermediates.noindex/CameraDemo.build/Debug-iphoneos/CameraDemo.build/DerivedSources/arm64 -Xcc -I/Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Intermediates.noindex/CameraDemo.build/Debug-iphoneos/CameraDemo.build/DerivedSources -Xcc -DDEBUG=1 -emit-objc-header -emit-objc-header-path /Users/OlostA/Library/Developer/Xcode/DerivedData/CameraDemo-atqalgbmsahmkqezdvsdizmgxtek/Build/Intermediates.noindex/CameraDemo.build/Debug-iphoneos/CameraDemo.build/Objects-normal/arm64/CameraDemo-Swift.h -Xcc -working-directory/Users/OlostA/Desktop/Git/r-d/CamBox

<unknown>:0: error: unknown argument: '-enable-batch-mode'
Command CompileSwiftSources failed with a nonzero exit code

也许我必须删除这些参数，但是我不知道在哪里搜索...

May be I have to remove that arguments, but I don't know where to search...

您有什么想法吗？

推荐答案

TLDR

您无法采取任何措施来解决此问题。使用Xcode 9或将代码库更新为Swift 5。

There is nothing you can do to fix the issue. Use Xcode 9 or update your codebase to Swift 5.

完整答案：

在将Xcode 10与Swift 4.0.3工具链一起使用时，在构建带有静态库的项目时遇到了相同的错误。

I encountered the same error, when using Xcode 10 with a Swift 4.0.3 toolchain, to build a project with a static library.

这里的问题如下所示：由于Xcode 10在Swift 4.2上运行，因此它为该特定Swift版本组成了一个compile命令。具体来说，它添加了 -enable-batch-mode 标志，从而优化了构建过程。如果您手动删除该标志（例如，将整个命令粘贴到终端应用程序），它应该会成功。

The issue here is as follows: because Xcode 10 operates on Swift 4.2, it composes a compile command for this specific Swift version. Specifically, it adds -enable-batch-mode flag, which optimizes build process. If you remove the flag by hand (e.g. pasting the whole command to Terminal app), it should succeed.

当您更改工具链时，Xcode本身不够智能可以理解，在4.0.3。中没有 -enable-batch-mode 这样的东西。

When you change the toolchain, Xcode itself is not smart enough to understand, that there is no such thing as -enable-batch-mode in 4.0.3.

现在，您可以禁用批处理模式，它应该可以解决问题，对吗？您可以在构建设置中进行操作，方法是添加新的用户定义设置， SWIFT_ENABLE_BATCH_MODE 的值为 NO 。

Now, you could disable batch mode, and it should fix the issue, right? You do it in Build Settings, by adding new User-Defined Setting, SWIFT_ENABLE_BATCH_MODE with value NO.

但是，怎么了？另一个未知标志。

But guess, what happens? Another unknown flag.

<unknown>:0: error: unknown argument: '-disable-batch-mode'
Command CompileSwiftSources failed with a nonzero exit code

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