OS X dlopen 找不到框架 - 找不到图像

Question

我正在尝试将 Google Breakpad（一些外部框架）支持添加到我的应用程序中。我已经完成了所有必需的步骤，但是当我尝试使用 dlopen 加载我的应用程序时，我收到了这个错误：

(char *) error = 0x0000000100200175 "dlopen(/Users/user/MyApp.app/Contents/MacOS/MyApp, 1): 
Library not loaded: @executable_path/../Frameworks/Breakpad.framework/Versions/A/Breakpad\n  
Referenced from: /Users/user/MyApp.app/Contents/MacOS/MyApp\n  
Reason: image not found"

我检查了一下，Breakpad 文件确实存在于相对路径（MyApp 文件）中。

这是 MyApp 文件上的 otool -L（注意 @executable_path）：

Users-Mac:MacOS user$ otool -L MyApp 
MyApp:
    /usr/lib/libcurl.4.dylib (compatibility version 6.0.0, current version 6.1.0)
    /usr/lib/libssl.0.9.8.dylib (compatibility version 0.9.8, current version 0.9.8)
    /usr/lib/libcrypto.0.9.8.dylib (compatibility version 0.9.8, current version 0.9.8)
    /usr/lib/libsqlite3.dylib (compatibility version 9.0.0, current version 9.6.0)
    /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate (compatibility version 1.0.0, current version 4.0.0)
    /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox (compatibility version 1.0.0, current version 1.0.0)
    /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit (compatibility version 1.0.0, current version 1.0.0)
    @executable_path/../Frameworks/Breakpad.framework/Versions/A/Breakpad (compatibility version 1.0.0, current version 1.0.0)
    /System/Library/Frameworks/Carbon.framework/Versions/A/Carbon (compatibility version 2.0.0, current version 152.0.0)
    /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa (compatibility version 1.0.0, current version 15.0.0)
    /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio (compatibility version 1.0.0, current version 1.0.0)
    /System/Library/Frameworks/CoreAudioKit.framework/Versions/A/CoreAudioKit (compatibility version 1.0.0, current version 1.0.0)
    /System/Library/Frameworks/CoreMIDI.framework/Versions/A/CoreMIDI (compatibility version 1.0.0, current version 49.0.0)
    /System/Library/Frameworks/DiscRecording.framework/Versions/A/DiscRecording (compatibility version 1.0.0, current version 1.0.0)
    /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit (compatibility version 1.0.0, current version 275.0.0)
    /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore (compatibility version 1.2.0, current version 1.6.3)
    /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit (compatibility version 1.0.0, current version 533.21.1)
    /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 7.9.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 125.2.11)
    /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation (compatibility version 150.0.0, current version 550.43.0)
    /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit (compatibility version 45.0.0, current version 1038.36.0)
    /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices (compatibility version 1.0.0, current version 38.0.0)
    /usr/lib/libobjc.A.dylib (compatibility version 1.0.0, current version 227.0.0)
    /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices (compatibility version 1.0.0, current version 44.0.0)
    /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation (compatibility version 300.0.0, current version 751.62.0)

有人知道吗？

Answer 1

按照以下步骤，它可能会起作用：

1. 转到Target，然后按Build Phase
2. 页面左上角有+符号，请按此符号。
3. 按新建复制文件构建阶段
4. 展开复制文件，然后将您的框架拖放到此部分。
5. 将 Destination 更改为 frameworks

希望它会起作用

Answer 2

好吧，事实证明，在使用动态库和为 OS X 10.6 编译时，这是一个问题。 @executable_path 在动态加载后没有得到更新，因此 LOADED 二进制文件正在寻找其相对于 LOADING 二进制文件的依赖项。

我最终重新编译了我的框架 Breakpad，并使用 @loader_path 而不是 @executable_path，现在一切正常。

更多信息在这里： dylib @executable_path path issue in a plug-in bundle