clang: error: linker command failed with exit code 1 (use -v to see invocation)

这个问题是在导入第三方库时候遇见的，

ld: warning: ignoring file /Users/MrLi/Desktop/CSdemo/CSdemo/jcore-ios-1.1.3.a, missing required architecture i386 in file /Users/MrLi/Desktop/CSdemo/CSdemo/jcore-ios-1.1.3.a (4 slices)

ld: warning: ignoring file /Users/MrLi/Desktop/CSdemo/CSdemo/jpush-ios-3.0.5.a, missing required architecture i386 in file /Users/MrLi/Desktop/CSdemo/CSdemo/jpush-ios-3.0.5.a (4 slices)

Undefined symbols for architecture i386:

"_OBJC_CLASS_$_JPUSHService", referenced from:

objc-class-ref in AppDelegate.o

"_OBJC_CLASS_$_JPUSHRegisterEntity", 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)

解决问题：