Undefined symbols for architecture x86_64:
"_OBJC_CLASS_$_DVUtil", referenced from:
objc-class-ref in DVLocationPositonView.o
objc-class-ref in DVLocationViewController.o...
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
解决方法:找到DVUti.m的最右边的Target Membership勾上