架构armv7的未定义符号？这个错误是什么意思？
我刚刚将所有 CocoaAsyncSocket 代码标记为非 ARC 代码，它给了我以下 3 个错误：
Undefined symbols for architecture armv7:
"_kCFStreamNetworkServiceTypeVoIP", referenced from:
-[GCDAsyncSocket enableBackgroundingOnSocketWithCaveat:] in GCDAsyncSocket.o
"_kCFStreamNetworkServiceType", referenced from:
-[GCDAsyncSocket enableBackgroundingOnSocketWithCaveat:] in GCDAsyncSocket.o
"_kCFStreamPropertySSLSettings", referenced from:
-[GCDAsyncSocket maybeStartTLS] in GCDAsyncSocket.o
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)
有人知道这意味着什么以及如何修复它吗？
I just marked all of my CocoaAsyncSocket code as non-ARC code, and it's given me these 3 errors:
Undefined symbols for architecture armv7:
"_kCFStreamNetworkServiceTypeVoIP", referenced from:
-[GCDAsyncSocket enableBackgroundingOnSocketWithCaveat:] in GCDAsyncSocket.o
"_kCFStreamNetworkServiceType", referenced from:
-[GCDAsyncSocket enableBackgroundingOnSocketWithCaveat:] in GCDAsyncSocket.o
"_kCFStreamPropertySSLSettings", referenced from:
-[GCDAsyncSocket maybeStartTLS] in GCDAsyncSocket.o
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Does anybody know what this means and how to fix it?
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我想我通过查看代码注释找到了解决方案，但我现在看到这也是马克·亚当斯上面建议的。我遇到了错误，直到我在 Targets->Build Phases->Link Binary With Libraries->Select CFNetwork.framework 下添加 CFNetwork.framework
I think I found the solution to this, by looking in the code comments, but I now see that it's also what Mark Adams suggested above. I had the errors until I added the CFNetwork.framework under Targets->Build Phases->Link Binary With Libraries->Select CFNetwork.framework
这意味着您正在编译的某些代码正在引用常量“kCFStreamNetworkServiceTypeVoIP”、“kCFStreamNetworkServiceType”和“kCFStreamPropertySSLSettings”，但当它尝试将您的代码与其使用的库链接时找不到这些常量。
不幸的是，这可能有很多原因：
您可以使用“nm”来查看库二进制文件中导出的符号，并使用“otool -L”来检查二进制文件正在链接哪些库。
It means that some code you are compiling is referencing the constants "kCFStreamNetworkServiceTypeVoIP", "kCFStreamNetworkServiceType", and "kCFStreamPropertySSLSettings", but that those constants weren't found when it tried to link your code with the libraries it uses.
Unfortunately there's a bunch of reasons this could be:
You can use 'nm' to poke at the exported symbols from the binary of a library, and 'otool -L' to check which libraries your binary is linking.
在将 LineaPro API 集成到应用程序中时，我遇到了同样的错误。
我实施的修复是将ExternalAccessory.framework 添加到General ->链接的框架和库。
我已经包含了 CFNetwork.framework。
I had this same error when integrating LineaPro API into an app.
The fix i implemented was adding ExternalAccessory.framework to General -> Linked Framework and Libraries.
I already had CFNetwork.framework included.