Undefined symbols for architecture arm64:
"_OBJCCLASS$_GPUImageiOSBlurFilter", referenced from:
objc-class-ref in AMSmoothAlertView.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Undefined symbols for architecture arm64: "_OBJCCLASS$_GPUImageiOSBlurFilter", referenced from: objc-class-ref in AMSmoothAlertView.o ld: symbol(s) not found for architecture arm64 clang: error: linker command failed with exit code 1 (use -v to see invocation)