blocks|key|4466338|text|这似乎是XCode中的一个错误。我也遇到了同样的问题，正如这个问题的另一个答案的评论中所描述的那样，构建项目使错误消失了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4466339|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

This seems to be a bug in XCode. I had the same problem, and as described in the comments of another answer to this question, building the project made the error go away.

blocks|key|4466411|text|转到“产品”>“构建”，它将解决问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4466412|📷|atomic|offset|length|4466413|​|4466414|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/e884572a15f7490a5dc755ed83cc0a71.jpeg|imageAlt^0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|S|8|@]|9|@$E|T|F|U|1|V]]|A|$]]|$1|G|3|H|5|6|7|W|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|X|8|@]|9|@]|A|$]]]|J|$K|$5|L|M|N|A|$O|P|Q|-4]]]]

Go to Product > Build and it will resolve the problem:
<a href="https://i.stack.imgur.com/rSYhf.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/rSYhf.jpg" alt="enter image description here"></a>

blocks|key|4466891|text|一旦你安装了Alamofire+pod。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4466892|步骤1.你应该双击your_project_name.xcworkspace文件来打开你的项目。|4466893|Step.2转到项目设置-->构建阶段-->将二进制文件与库链接-->添加框架"Alamofire.framework“|4466894|就是这样！！|4466895|现在可以导入模块了|4466896|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|N|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|O|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|P|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|K|$]]

Once you have installed Alamofire pod.

Step.1 you should open your project by double click on your_project_name.xcworkspace file.

Step.2 Go to project settings --> Build Phases --> Link Binary with Libraries --> Add framework "Alamofire.framework"

Thats it!!

Now you can import the module

blocks|key|4466448|text|我尝试了所有这些解决方案:重新构建、清理、重新安装pods等，但在我的例子中，由于我使用的是AR库，将我的“Build+Active+Architecture+Only”设置更改为“No”是一个问题。将它改回“是”，它被修复了。希望这对某些人有帮助。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4466449|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I tried all of these solutions: Re-building, Cleaning, Re-installing the pods, etc., but In my case, it was a problem of changing my 'Build Active Architecture Only' setting to 'No', due to an AR library I was using. Changed it back to 'Yes' and it was fixed. Hope this helps somebody.

blocks|key|4466787|text|对我的情况有帮助的是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4466788|1)关闭项目和XCode|4466789|2)在终端重复命令中|4466790|>+pod+install|code-block|syntax|javascript|4466791|3)打开项目|4466792|(如果没有帮助，请尝试在重新安装之前删除Pod/文件夹)|4466793|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|R|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|S|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|T|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|V|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

What has helped in my case:

1) Close the project and XCode

2) In the terminal repeat command

<pre><code>&gt; pod install
</code></pre>

3) Open the project

(If it does not help, try to remove Pod/ folder before reinstalling)

blocks|key|4466951|text|我不得不做一个产品>+(Opt+Click)清理构建文件夹...然后再运行一次，问题就消失了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4466952|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I had to do a Product > (Opt Click) Clean Build Folder ... then ran again and the issue was gone.

blocks|key|4466674|text|我使用的是Xcode版本8.3.1+(8E1000a)。不知怎么的，当我想要pod安装SwiftCloudant模块时，这个问题就出现了。可能我在运行pod+install时没有关闭我的Xcode。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4466675|我在Targets+>+General选项卡中手动添加SwiftCloudant.framework修复了这个问题。|4466676|Targets+>+General+>+Linked+Frameworks+and+Libraries|offset|length|4466677|entityMap|0|LINK|mutability|MUTABLE|url|https://i.stack.imgur.com/cSjUP.png^0|0|0|0|1F|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@$F|S|G|T|1|U]]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

I am on Xcode Version 8.3.1 (8E1000a). Somehow this problem occurs when I wanted to pod install SwiftCloudant module. Probably I did not close my Xcode when I run pod install.

I fixed this manually adding the SwiftCloudant.framework in the Targets > General tab.

<a href="https://i.stack.imgur.com/cSjUP.png" rel="noreferrer">Targets > General > Linked Frameworks and Libraries</a>

blocks|key|4466634|text|您是否检查过是否有最新版本的Cocoapods？您可以通过更新所有gem来进行更新：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4466635|sudo+gem+update|code-block|syntax|javascript|4466636|或者只是重新安装Cocoapods：|4466637|+[sudo]+gem+install+cocoapods|4466638|如果这无济于事，也可以看看：CocoaPods+-+build+for+iOS+9+/+Swift+2+with+Xcode-beta|offset|length|4466639|其中显示了如何在Xcode首选项“位置”选项卡中轻松更改命令行工具版本，并将“命令行工具”更改为Xcode+7.0。|4466640|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/30804866/cocoapods-build-for-ios-9-swift-2-with-xcode-beta^0|0|0|0|0|E|1H|0|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|Z|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|10|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|11|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|12|8|@]|9|@$M|13|N|14|1|15]]|A|$]]|$1|O|3|P|5|6|7|16|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|17|8|@]|9|@]|A|$]]]|R|$S|$5|T|U|V|A|$W|X]]]]

Have you checked if you have a recent version of Cocoapods ? You can update by either updating all your gems :

<pre><code>sudo gem update
</code></pre>

or just reinstall Cocoapods:

<pre><code> [sudo] gem install cocoapods
</code></pre>

If that doesn't help take also a look at : <a href="https://stackoverflow.com/questions/30804866/cocoapods-build-for-ios-9-swift-2-with-xcode-beta">CocoaPods - build for iOS 9 / Swift 2 with Xcode-beta</a>

where is shows you how to easily change the Command-Line tools version in the Xcode Preferences "Locations" tab, and change "Command Line Tools" to Xcode 7.0.

blocks|key|4467142|text|请按照以下步骤操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4467143|1.安装workSpace+2.打开pod+3.运行/构建应用程序4.然后可以导入框架|4467144|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Follow the steps:

1.Install pods
2.Open workSpace
3.Run/build your application
4.Then you can import the framework

blocks|key|4466835|text|在链接的框架中，将GCC_SYMBOLS_PRIVATE_EXTERN+(在目标设置中默认显示为"Symbols+Hidden“)设置为YES，帮助我摆脱了这个错误。我已经花了两天的时间来找出这个问题，希望它能帮助到一些人:)|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4466836|entityMap^0|9|Q|1W|3|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

Setting <code>GCC_SYMBOLS_PRIVATE_EXTERN</code> (displayed as "Symbols Hidden by Default" in target settings) to <code>YES</code> in framework being linked helped me to get rid of this error. I've spent 2 days to find this out, hope it will help someone :)

blocks|key|4466878|text|网址：https://github.com/Alamofire/Alamofire/issues/441|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|4466879|其中一个用户写道：|4466880|清理不起作用，从pods重新安装不起作用，从迦太基安装不起作用，手动安装不起作用。为了测试，我终于在构建之后让它工作了。|4466881|所以我试了一下(xcode版本9.2+(9C40b))：|4466882|​|4466883|📷|atomic|4466884|4466885|它确实对我起作用了。错误现在消失了。|4466886|注意:我的Pod不是Alamofire，所以我猜它适用于每个pod。|4466887|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/Alamofire/Alamofire/issues/441|1|IMAGE|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/e669ede0396dfee48638f6f79541db16.png|imageAlt^0|3|1D|0|0|0|0|0|0|0|1|1|0|0|0|0^^$0|@$1|2|3|4|5|6|7|17|8|@]|9|@$A|18|B|19|1|1A]]|C|$]]|$1|D|3|E|5|6|7|1B|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|1C|8|@]|9|@]|C|$]]|$1|H|3|I|5|6|7|1D|8|@]|9|@]|C|$]]|$1|J|3|K|5|6|7|1E|8|@]|9|@]|C|$]]|$1|L|3|M|5|N|7|1F|8|@]|9|@$A|1G|B|1H|1|1I]]|C|$]]|$1|O|3|K|5|6|7|1J|8|@]|9|@]|C|$]]|$1|P|3|Q|5|6|7|1K|8|@]|9|@]|C|$]]|$1|R|3|S|5|6|7|1L|8|@]|9|@]|C|$]]|$1|T|3|-4|5|6|7|1M|8|@]|9|@]|C|$]]]|U|$V|$5|W|X|Y|C|$Z|10]]|11|$5|12|X|13|C|$14|15|16|-4]]]]

At this URL: <a href="https://github.com/Alamofire/Alamofire/issues/441" rel="nofollow noreferrer">https://github.com/Alamofire/Alamofire/issues/441</a>

One of the users wrote this:

Clean did not work, re-installing from pods did not work, installing from carthage did not work, manual install did not work. I finally got it to work after Build for Testing.

So i tried this (xcode Version 9.2 (9C40b)):

<a href="https://i.stack.imgur.com/XqFq9.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/XqFq9.png" alt="enter image description here"></a>

It did work for me. Error gone now.

Note: My pod was not Alamofire so i guess it will work for every Pod.

blocks|key|4467261|text|另一种可能的场景:确保测试目标定义在父目标的范围内(而不是在它之外)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4467262|例如：|4467263|target+'MyApp'+do
++pod+'GoogleAnalytics',+'~>+3.1'

++target+'MyAppTests'+do
++++inherit!+:search_paths
++++pod+'OCMock',+'~>+2.0.1'
++end
end|code-block|syntax|javascript|4467264|如果相反，它看起来像这样：|4467265|target+'MyApp'+do
++pod+'GoogleAnalytics',+'~>+3.1'
end

target+'MyAppTests'+do
++inherit!+:search_paths
++pod+'OCMock',+'~>+2.0.1'
end|4467266|那么你也会收到这个错误。|4467267|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|R|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|S|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|T|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|U|8|@]|9|@]|A|$G|H]]|$1|M|3|N|5|6|7|V|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

Another possible scenario: make sure the test target is defined within the scope of the parent target (not outside of it)

e.g.

<pre><code>target 'MyApp' do
 pod 'GoogleAnalytics', '~&gt; 3.1'

 target 'MyAppTests' do
 inherit! :search_paths
 pod 'OCMock', '~&gt; 2.0.1'
 end
end
</code></pre>

If instead it looks like:

<pre><code>target 'MyApp' do
 pod 'GoogleAnalytics', '~&gt; 3.1'
end

target 'MyAppTests' do
 inherit! :search_paths
 pod 'OCMock', '~&gt; 2.0.1'
end
</code></pre>

then you'll also receive this error.

blocks|key|4467120|text|在我的例子中：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4467121|//import+Pod_Module的注释行|offset|length|style|CODE|4467122|转到“项目清理”或使用快捷键(Command%2BShift%2BK)|4467123|关闭您的项目|4467124|在终端中，转到您项目目录|4467125|运行>+pod+install|4467126|打开.xcworkspace文件并构建它！|4467127|取消对import+Pod_Module行的注释|4467128|entityMap^0|0|0|J|0|0|0|0|2|D|0|2|C|0|3|H|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|W|8|@$D|X|E|Y|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|Z|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|10|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|11|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|12|8|@$D|13|E|14|F|G]]|9|@]|A|$]]|$1|P|3|Q|5|6|7|15|8|@$D|16|E|17|F|G]]|9|@]|A|$]]|$1|R|3|S|5|6|7|18|8|@$D|19|E|1A|F|G]]|9|@]|A|$]]|$1|T|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]]|U|$]]

In my case: 
 1. Comment line of <code>//import Pod_Module</code> 
 2. Go to Project -> Clean or use shortcut key (Command+Shift+K) 
 2. Close your project 
 3. In terminal go to your project directory 
 4. run <code>&gt; pod install</code> 
 5. open <code>.xcworkspace</code> file and build it! 
 6. Uncomment line of <code>import Pod_Module</code>

blocks|key|4467006|text|安装CocoaPods时，请确保通过删除#来指定ios+9.0。因此，#+platform+:ios,+'9.0'应该只是platform+:ios,+'9.0'，然后，如果错误再次出现，只需构建并运行。在构建并运行之后，错误应该不会再出现。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4467007|此外，如果您的计算机上安装了多个版本的Xcode，也会发生这种情况。首先退出(而不仅仅是关闭)所有版本的Xcode。|4467008|entityMap^0|Z|M|1P|K|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]|$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|O|8|@]|D|@]|E|$]]|$1|H|3|-4|5|6|7|P|8|@]|D|@]|E|$]]]|I|$]]

When installing CocoaPods, be sure to specify ios 9.0 by deleteing the #. Therefore, <code># platform :ios, '9.0'</code> should just be <code>platform :ios, '9.0'</code> Then, if the error shows again, simply build and run. After you build and run, the error should not return. 

Also, this can occur if you have more than one version of Xcode installed on your computer. Quit (not just close) all versions of Xcode first.

blocks|key|4467032|text|为我尝试构建测试工作|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4467033|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

try Build For testing works for me

blocks|key|4467083|text|如果您已验证Pod已成功安装，则该错误可能与安装Pod之前的派生数据相关。您可以通过转到File+->+Workspace+Settings...+->+Derived+Data来清除派生数据。删除与你的应用关联的派生数据文件夹并清理你的构建应该可以解决这个问题。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4467084|entityMap^0|18|19|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

If you have verified that your Pods have been successfully installed, then the error may be associated with your derived data remaining from before you installed the Pods. You can clear your derived data by going to <code>File -&gt; Workspace Settings... -&gt; Derived Data</code>. Deleting the derived data folder associated with your app and cleaning your build should solve the problem.

I am running XCode 7, Swift 2.0, iOS 9. 

I want to install Alamofire in my project using Cocoapods. I have done the following:

<code>gem install cocoapods</code>

<code>pod setup</code>

<code>pod init</code>

Updated Podfile to:

<pre><code># Uncomment this line to define a global platform for your project
# platform :ios, '9.0'
use_frameworks!

target 'JSONeg' do

 pod 'Alamofire', :branch =&gt; 'swift-2'

end
</code></pre>

Then I installed the pod:

<code>pod install</code>

And I added the following to ViewController.swift

<code>import Alamofire</code>

This raises the following error:

<code>Cannot load underlying module for 'Alamofire'</code>

I tested with another pod and it raised the same error, so I guess the problem is with the installation of Cocoapods. Any help would be greatly appreciated.

Cocoapods + Cannot load underlying module for 'x'

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我运行的是XCode 7、Swift 2.0、iOS 9。我想使用Cocoapods在我的项目中安装Alamofire。我做了以下工作：gem install cocoapodspod setuppod init已将Podfile更新为：# Uncomment this line to define a global platform for your project# platform :ios

问Cocoapods +无法加载“x”的基础模块
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问Cocoapods +无法加载“x”的基础模块
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