架构armv7未定义的符号

这个问题快把我逼疯了，我不知道怎么解决它。

    Undefined symbols for architecture armv7:
  "_deflateEnd", referenced from:
      -[ASIDataCompressor closeStream] in ASIDataCompressor.o
  "_OBJC_CLASS_$_ASIDataDecompressor", referenced from:
      objc-class-ref in ASIHTTPRequest.o
  "_deflate", referenced from:
      -[ASIDataCompressor compressBytes:length:error:shouldFinish:] in ASIDataCompressor.o
  "_deflateInit2_", referenced from:
      -[ASIDataCompressor setupStream] in ASIDataCompressor.o
ld: symbol(s) not found for architecture armv7
collect2: ld returned 1 exit status
Command /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 failed with exit code 1

我认为这与:

ld: symbol(s) not found for architecture armv7

但是我添加了:libz.1.2.3。Dylib并没有帮助，有人有什么想法吗?

当前回答

在我的例子中，我添加了一个必须使用Objective c++的框架。我找到了这个帖子:

XCode .m vs. mm

这说明了主要的。M需要重命名为main。mm，这样objective - c++类也可以被编译。

这为我解决了问题。

2014-11-11 19:16:14

其他回答

我有这个警告，当在另一个类的.h文件中写两个类时，但忘记在.m文件中写这个类的实现。

2016-10-24 11:29:43

目标->构建设置-> Apple LLVM编译语言: 将“c++语言方言”和“c++标准库”设置为编译器默认值有助于解决这个问题。

2012-11-06 22:22:00

我曾经遇到过这个问题。我意识到在移动一个类时，我已经在目标文件夹上用.h文件覆盖了.mm文件。

修复这个问题就修复了错误。

2013-03-11 22:15:51

我在iphone5s上运行app时遇到了这个问题，通过添加arm64到架构解决了这个问题。

2013-11-27 11:39:51

If you're building from Unity3D 5 and also using a Prime31 plugin and you're getting this error it's probably due to a duplicate .dll. If you look through your warnings in Unity's editor one of them will tell you this and warn that it could cause build errors. To see if this is the case, type P31 in your project search field and it should pop right up, maybe even more than one. The duplicate's will have a ' 1' at the end of the file name. This is probably caused from updating the plugin in editor via the store or the Prime31 menu tab.

2015-05-28 05:25:05

架构armv7未定义的符号

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