“重新定义模块……"为模拟器构建时 [英] "Redefinition of module ..." when building for simulator

问题描述

我有一个 iOS xcode 项目，当我将 Generic iOS Device 选为我的目的地时，该项目构建良好.但是，当我选择任何模拟器选项时，我的构建失败，并出现许多 Redefinition of module 'abcde'，iOS 11.4/usr/include/module.modulemap 中定义的每个模块都有一个错误.

I have an iOS xcode project that builds fine when I have Generic iOS Device selected as my destination. However, when I select any of the simulator options I the build fails with many Redefinition of module 'abcde', one error for every module defined in iOS 11.4/usr/include/module.modulemap.

重复定义来自 Simulator - iOS 11.4/usr/include/module.modulemap.我梳理了我的工作区/项目设置，没有发现对模拟器的引用.所有部署目标都是iOS 11.4.

The duplicate definitions are coming from Simulator - iOS 11.4/usr/include/module.modulemap. I've combed through my workspace/project settings and found no reference to the simulator. All the deployment targets are iOS 11.4.

看来，当我为模拟器构建时，它同时包含了平台和模拟器模块.如何指定其中一个?

It appears that when I build for the simulator it is including both the platform and simulator modules. How can I specify one or the other?

这个问题在添加 cocoapods 和 swift 代码大约一天后突然出现，但我不知道它是否相关.(Pod 的 sdk/deployment 目标也是 iOS 11.4，swift 版本是 4(Socket.IO 除外，它使用 3)).

This problem popped up out of the blue about a day after adding cocoapods and swift code but I don't know if it is related. (The sdk/deployment targets for the pods are also iOS 11.4 and swift version is 4 (except for Socket.IO which is using 3)).

我的 pods 项目正在使用生成的模块映射(我根本没有对其进行编辑):

My pods project is using the generated modulemap (I haven't edited it at all):

framework module Pods_MyProjectName {
  umbrella header "Pods-MyProjectName-umbrella.h"

  export *
  module * { export * }
}

我在谷歌上一遍又一遍地搜索这个问题，但没有找到任何解决方案.我已经尝试清理和重建，删除Library/Developer/Xcode/DerivedData文件夹的内容，删除pod的modulemap文件，注释掉pod的modulemap文件的每一行，删除所有写的代码自从问题开始以来……我感觉自己找错了地方.

I've googled this problem over and over and haven't been able to find any solution for it. I've tried cleaning and rebuilding, deleting the contents of the Library/Developer/Xcode/DerivedData folder, deleting the pod's modulemap file, commenting out each line of the pod's modulemap file, removing all the code written since the problem began... I have the feeling that I'm looking in all the wrong places.

推荐答案

我在使用其他 Pod 时遇到了同样的问题.我认为这个问题与也显式导入的递归依赖有关.我尝试了和你一样的所有事情，虽然唯一帮助我的是关闭 xcode，运行

I had the same issue with other pods. I assume the issue has to do with recursive dependecnies that are also imported explicitly. I tried all the same things as you did, although the only thing that helped me was to close xcode, run

pod deintegrate
pod install

并重建.

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