如何摆脱 Apple Mach-O 链接器错误？

Posted 2023-03-08

【中文标题】如何摆脱 Apple Mach-O 链接器错误？

【英文标题】：How to get rid of Apple Mach-O Linker Errors?

【发布时间】：2014-08-11 09:33:00

【问题描述】：

首先我有一个Could not build module Foundation

试图通过将Enable Modules (C and Objective-C) 设置为NO 来解决这个问题

在另一个构建之后，我得到了这些奇怪的错误：

Undefined symbols for architecture i386:
  "_OBJC_CLASS_$_EAGLContext", referenced from:
      objc-class-ref in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_OBJC_CLASS_$_GLKBaseEffect", referenced from:
      objc-class-ref in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_OBJC_CLASS_$_GLKViewController", referenced from:
      _OBJC_CLASS_$_EZAudioPlotGLKViewController in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_OBJC_CLASS_$_NSEntityDescription", referenced from:
      objc-class-ref in JSONModel+CoreData.o
  "_OBJC_CLASS_$_NSManagedObject", referenced from:
      l_OBJC_$_CATEGORY_NSManagedObject_$_JSONModel in JSONModel+CoreData.o
      objc-class-ref in JSONModel+CoreData.o
  "_OBJC_METACLASS_$_GLKViewController", referenced from:
      _OBJC_METACLASS_$_EZAudioPlotGLKViewController in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_SSLClose", referenced from:
      -[GCDAsyncSocket closeWithError:] in GCDAsyncSocket.o
  "_SSLCopyPeerTrust", referenced from:
      -[GCDAsyncSocket ssl_continueSSLHandshake] in GCDAsyncSocket.o
  "_SSLCreateContext", referenced from:
      -[GCDAsyncSocket ssl_startTLS] in GCDAsyncSocket.o
  "_SSLGetBufferedReadSize", referenced from:
      ___33-[GCDAsyncSocket flushSSLBuffers]_block_invoke in GCDAsyncSocket.o
      -[GCDAsyncSocket doReadData] in GCDAsyncSocket.o
  "_SSLHandshake", referenced from:
      -[GCDAsyncSocket ssl_continueSSLHandshake] in GCDAsyncSocket.o
  "_SSLRead", referenced from:
      -[GCDAsyncSocket flushSSLBuffers] in GCDAsyncSocket.o
      -[GCDAsyncSocket doReadData] in GCDAsyncSocket.o
  "_SSLSetCertificate", referenced from:
      -[GCDAsyncSocket ssl_startTLS] in GCDAsyncSocket.o
  "_SSLSetConnection", referenced from:
      -[GCDAsyncSocket ssl_startTLS] in GCDAsyncSocket.o
  "_SSLSetEnabledCiphers", referenced from:
      -[GCDAsyncSocket ssl_startTLS] in GCDAsyncSocket.o
  "_SSLSetIOFuncs", referenced from:
      -[GCDAsyncSocket ssl_startTLS] in GCDAsyncSocket.o
  "_SSLSetPeerDomainName", referenced from:
      -[GCDAsyncSocket ssl_startTLS] in GCDAsyncSocket.o
  "_SSLSetPeerID", referenced from:
      -[GCDAsyncSocket ssl_startTLS] in GCDAsyncSocket.o
  "_SSLSetProtocolVersionMax", referenced from:
      -[GCDAsyncSocket ssl_startTLS] in GCDAsyncSocket.o
  "_SSLSetProtocolVersionMin", referenced from:
      -[GCDAsyncSocket ssl_startTLS] in GCDAsyncSocket.o
  "_SSLSetSessionOption", referenced from:
      -[GCDAsyncSocket ssl_startTLS] in GCDAsyncSocket.o
  "_SSLWrite", referenced from:
      -[GCDAsyncSocket doWriteData] in GCDAsyncSocket.o
  "_glBindBuffer", referenced from:
      -[EZAudioPlotGLKViewController _updateBufferPlotBufferWithAudioReceived:withBufferSize:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
      -[EZAudioPlotGLKViewController _updateRollingPlotBufferWithAudioReceived:withBufferSize:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
      -[EZAudioPlotGLKViewController _drawBufferPlotWithView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
      -[EZAudioPlotGLKViewController _drawRollingPlotWithView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_glBufferData", referenced from:
      -[EZAudioPlotGLKViewController _updateBufferPlotBufferWithAudioReceived:withBufferSize:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
      -[EZAudioPlotGLKViewController _updateRollingPlotBufferWithAudioReceived:withBufferSize:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_glBufferSubData", referenced from:
      -[EZAudioPlotGLKViewController _clearRollingPlot] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
      -[EZAudioPlotGLKViewController _updateBufferPlotBufferWithAudioReceived:withBufferSize:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
      -[EZAudioPlotGLKViewController _updateRollingPlotBufferWithAudioReceived:withBufferSize:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
      -[EZAudioPlotGLKViewController _updateRollingPlotDisplay] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_glClear", referenced from:
      -[EZAudioPlotGLKViewController glkView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_glClearColor", referenced from:
      -[EZAudioPlotGLKViewController _refreshWithBackgroundColor:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_glDrawArrays", referenced from:
      -[EZAudioPlotGLKViewController _drawBufferPlotWithView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
      -[EZAudioPlotGLKViewController _drawRollingPlotWithView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_glEnableVertexAttribArray", referenced from:
      -[EZAudioPlotGLKViewController _drawBufferPlotWithView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
      -[EZAudioPlotGLKViewController _drawRollingPlotWithView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_glGenBuffers", referenced from:
      -[EZAudioPlotGLKViewController viewDidLoad] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_glLineWidth", referenced from:
      -[EZAudioPlotGLKViewController viewDidLoad] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_glPopMatrix", referenced from:
      -[EZAudioPlotGLKViewController _drawBufferPlotWithView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
      -[EZAudioPlotGLKViewController _drawRollingPlotWithView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_glPushMatrix", referenced from:
      -[EZAudioPlotGLKViewController _drawBufferPlotWithView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
      -[EZAudioPlotGLKViewController _drawRollingPlotWithView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
  "_glVertexAttribPointer", referenced from:
      -[EZAudioPlotGLKViewController _drawBufferPlotWithView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
      -[EZAudioPlotGLKViewController _drawRollingPlotWithView:drawInRect:] in EZAudioPlotGLKViewController-11ED1EEF7D7801BD.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)

我一无所知。这发生在我从我们的 SVN 存储库更新此项目之后。

【参考方案1】：

您需要在以下框架中链接：

CoreData.framework
GLKit.framework
Security.framework

这是在以下 Xcode 中完成的：

【讨论】：

@WarrenBurton 错过了。谢谢。

非常感谢。现在工作。此外，在我正在使用的音频框架中，有一些额外的功能，其中包含一些使用 OPENGL 和其他一些额外框架的音频绘图，我现在将其注释掉，因为我根本没有使用它们。

为我工作！谢谢！你救了我几个小时。