iPhone应用程序上的Xcode链接器错误（仅在模拟器上） [英] Xcode linker error on iPhone app (Only on simulator)

问题描述

我得到这个链接器错误，不会让我编译。它只发生在模拟器上。

Im getting this linker error that won't let me compile. It only happens on the simulator.

要点：

- 只在模拟器中发生

- 与此问题类似，但是在我的.pbxproj文件中找不到FRAMEWORK_SEARCH_PATHS

- 虽然我的操作系统是10.6.2，但我必须构建目标1.5以避免其他链接器错误

- libxml2.dylib 必需并且在我的框架组中

- 其他引用的我从来没有听说过的库。

- 试图将框架中的其他库，没有解决。

KEY POINTS:
- Happens only in simulator
- Similar to THIS question, but found no FRAMEWORK_SEARCH_PATHS in my .pbxproj file
- Though my OS is 10.6.2, I had to build target 1.5 to avoid other linker errors
- libxml2.dylib IS required and is in my Frameworks group
- The other cited libraries I have never heard of.
- Tried bringing in those other Libs under frameworks, didn't solve.

Build SpaceTweet of project SpaceTweet with configuration Debug

Ld build/Debug-iphonesimulator/SpaceTweet.app/SpaceTweet normal i386
cd "/Users/Scott/Desktop/iPhone Dev/SpaceTweet(Experimental)"
setenv MACOSX_DEPLOYMENT_TARGET 10.5
setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc-4.2 -arch i386 -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.1.3.sdk "-L/Users/Scott/Desktop/iPhone Dev/SpaceTweet(Experimental)/build/Debug-iphonesimulator" -L/Users/Scott/Desktop "-L/Users/Scott/Desktop/iPhone Dev/SpaceTweet(Experimental)/../../libYAJLIPhone-0" -L/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.0.sdk/usr/lib -L/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.1.3.sdk/usr/lib -L/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.0.sdk/usr/lib "-F/Users/Scott/Desktop/iPhone Dev/SpaceTweet(Experimental)/build/Debug-iphonesimulator" -filelist "/Users/Scott/Desktop/iPhone Dev/SpaceTweet(Experimental)/build/SpaceTweet.build/Debug-iphonesimulator/SpaceTweet.build/Objects-normal/i386/SpaceTweet.LinkFileList" -mmacosx-version-min=10.5 -framework Foundation -framework UIKit -framework CoreGraphics -framework AVFoundation -framework MessageUI -lYAJLIPhone -lxml2 -o "/Users/Scott/Desktop/iPhone Dev/SpaceTweet(Experimental)/build/Debug-iphonesimulator/SpaceTweet.app/SpaceTweet"

ld: warning: in /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.0.sdk/usr/lib/libxml2.dylib, missing required architecture i386 in file
ld: warning: in /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.0.sdk/usr/lib/libSystem.dylib, missing required architecture i386 in file
ld: in /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.0.sdk/usr/lib/libobjc.A.dylib, missing required architecture i386 in file
collect2: ld returned 1 exit status
Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc-4.2 failed with exit code 1

CLUE：

类似于此解决问题，但在我的情况下，我在我的项目包中的.pbxproj文件中找不到FRAMEWORK_SEARCH_PATHS条目，因此无法以解决问题的方式解决。

CLUE:
Again, MY question is very similar to THIS SOLVED QUESTION except that in my case I did NOT find a FRAMEWORK_SEARCH_PATHS entry in the .pbxproj file in my project bundle and thus could not solve in the manner in which that question was solved.

推荐答案

问题是这样的：

-L/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.0.sdk/usr/lib 

这告诉你的模拟器（i386） （arm）/ usr / lib。

That's telling your Simulator (i386) build to use files from the Device (arm) /usr/lib.

在目标中查找/ usr / lib是（仅使用目标的获取信息/构建设置选项卡中的搜索泡泡）删除它。如果没有被告知使用错误的一个，编译器将使用正确的平台的usr / lib。

Find in your target where /usr/lib is (just use the Search bubble in the target's Get Info / Build Settings tab) and delete it. The compiler will use the correct platform's usr/lib if it's not told to use the wrong one first.

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