Undefined symbols for architecture armv7: “_OBJC_CLASS_$_FIRApp”

Question

I am integrating Firebase in my app according to the instructions and added [FIRApp configure]; in the code however, while compiling the app I am getting the following error

Answer 1

s.static_framework = true

to podspec worked for me

URL: How to use Firebase SDK as a Pod dependency?

Answer 2

Did CocoaPods write any warnings due to pods installation? I fixed a similar issue by setting OTHER_LDFLAGS build settings to $(inherited) flag.

Answer 3

Updating the pod "Architectures" to $(ARCHS_STANDARD) worked for me.

Answer 4

Put $(inherited) -ObjC -framework "AVFoundation" -framework "AudioToolbox" -framework "CFNetwork" -framework "CoreGraphics" -framework "CoreMedia" -framework "CoreMotion" -framework "CoreTelephony" -framework "CoreVideo" -framework "GLKit" -framework "GoogleMobileAds" -framework "MediaPlayer" -framework "MessageUI" -framework "MobileCoreServices" -framework "OpenGLES" -framework "QuartzCore" -framework "Security" -framework "StoreKit" -framework "SystemConfiguration" -weak_framework "AdSupport" -weak_framework "JavaScriptCore" -weak_framework "SafariServices" -weak_framework "WebKit"