I am trying to integrate Gmail for login.
I followed every step of the documentation, but received the following linker errors.
Note: - I use the manual SDK, not Cocoa Pods.
ld: warning: directory not found for option '-F/Users/harpreet/Documents/FacebookSDK' Undefined symbols for architecture x86_64: "_GSDK_NSClassFromString", referenced from: l010 in GoogleSignIn(GIDSignIn.o) l059 in GoogleSignIn(GIDSignIn.o) "_OBJC_CLASS_$_GSDK_GTMOAuth2Authentication", referenced from: objc-class-ref in GoogleSignIn(GIDSignIn.o) objc-class-ref in GoogleSignIn(GIDAuthentication.o) "_OBJC_CLASS_$_GSDK_GTMOAuth2Keychain", referenced from: objc-class-ref in GoogleSignIn(GIDSignIn.o) "_OBJC_CLASS_$_GSDK_GTMOAuth2SignIn", referenced from: objc-class-ref in GoogleSignIn(GIDSignIn.o) objc-class-ref in GoogleSignIn(GIDAuthentication.o) "_OBJC_CLASS_$_GSDK_GTMOAuth2ViewControllerTouch", referenced from: objc-class-ref in GoogleSignIn(GIDSignIn.o) "_OBJC_CLASS_$_GSDK_GTMSessionFetcher", referenced from: objc-class-ref in GoogleSignIn(GIDSignIn.o) objc-class-ref in GoogleSignIn(GIDRuntimeConfigFetcher.o) "_OBJC_CLASS_$_GSDK_GTMSessionFetcherService", referenced from: objc-class-ref in GoogleSignIn(GIDSignIn.o) "_OBJC_CLASS_$_GSDK_OpenInChromeController", referenced from: objc-class-ref in GoogleSignIn(GIDSignIn.o) ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
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