我添加了 SystemConfiguration 框架。我正在针对 3.2 及更高版本的目标进行部署。我忘了添加什么吗?
Undefined symbols for architecture i386:
"_OBJC_CLASS_$_Reachability", referenced from:
objc-class-ref in AppDelegate.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)