使用CocoaPods更新第三方库出错的解决办法

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本文使用的环境是Mac OS X 10.10、Xcode 6.0.1，在此之前的版本，有可能不会出现本文中描述的问题。

 

执行完pod install之后，控制台抛出以下警告信息：

[!] The use of implicit sources has been deprecated. To continue using all of the sources currently on your machine, add the following to the top of your Podfile:
source 'https://github.com/CocoaPods/Specs.git'

[!] The `ProjectName [Debug]` target overrides the `OTHER_LDFLAGS` build setting defined in `Pods/Target Support Files/Pods/Pods.debug.xcconfig'. This can lead to problems with the CocoaPods installation

[!] The `ProjectName [Release]` target overrides the `OTHER_LDFLAGS` build setting defined in `Pods/Target Support Files/Pods/Pods.release.xcconfig'. This can lead to problems with the CocoaPods installation

如果不解决此问题的话，会出现由于部分库文件找不到而导致的种种问题：

（1）编译失败，抛出Undefined symbols for architecture i386错误

（2）调用库中的方法，抛出unrecognized selector sent to instance错误

 

解决方法如下：

1、打开工程所在文件夹，找到.xcodeproj文件，右键选择【显示包内容】，找到project.pbxproj文件

2、打开project.pbxproj文件，查找OTHER_LDFLAGS，把和这个相关的内容都删除

3、重新执行pod install，此时应该就没有上面出现的警告信息了

4、编译并运行