pod 报错

[hygtjm]

[!] Unable to determine Swift version for the following pods:

• BigInt does not specify a Swift version and none of the targets (BlackK) integrating it have the SWIFT_VERSION attribute set. Please contact the author or set the SWIFT_VERSION attribute in at least one of the targets that integrate this pod.
• SipHash does not specify a Swift version and none of the targets (BlackK) integrating it have the SWIFT_VERSION attribute set. Please contact the author or set the SWIFT_VERSION attribute in at least one of the targets that integrate this pod.