Undefined symbol OBJC_CLASS_$ when creating iOS framework
问题 I'm trying to build a iOS framework, to this, I'm using some dependencies and while building the framework project alone gives no error, when I install using CocoaPods in a demo app I get the following error Undefined symbol: _OBJC_CLASS_$_DFPRequest . So this is what I have in the framework: Podfile platform :ios, '10.0' use_frameworks! target 'mylib' do pod 'PrebidMobile' pod 'Google-Mobile-Ads-SDK' pod 'mopub-ios-sdk' pod 'GoogleAds-IMA-iOS-SDK' end MyLib.podspec Pod::Spec.new do |s| ... s