I use pod to install cocoalumberjack to my macosx project. Here is the output of the error message.
Undefined symbols for architecture x86_64:
"_OBJC_CLASS_$_DDLog", referenced from:
objc-class-ref in AppDelegate.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
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I just updated my Xcode to version 10. and when i run my project and then it shows me the following error :
Undefined symbols for architecture x86_64:
"std::_List_node_base::unhook()", referenced from:
std::list<Linphone::Conference::Participant,
std::allocator<Linphone::Conference::Participant>
>::remove(Linphone::Conference::Participant const&) in
liblinphone.a(conference.cc.o)
"std::_List_node_base::hook(std::_List_node_base*)", referenced from:
Linphone::Conference::addParticipant(_LinphoneCall*) in
liblinphone.a(conference.cc.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Undefined symbols for architecture x86_64:
"_OBJC_CLASS_$_GIDSignIn", referenced from:
objc-class-ref in AppDelegate.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
ld: warning: directory not found for option '-F/Users/harpreet/Documents/FacebookSDK'
"_OBJC_CLASS_$_GIDSignIn", referenced from:
objc-class-ref in AppDelegate.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
I try to build my project and get this error:
Undefined symbols for architecture x86_64:
"_OBJC_CLASS_$_FlurryAnalytics", referenced from:
objc-class-ref in AppDelegate.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
i get this answer when I'm trying to run my application both on my iphone and in simulator.
Undefined symbols for architecture arm64:
"_OBJC_CLASS_$_AppDelegate", referenced from:
objc-class-ref in main.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Undefined symbols for architecture x86_64:
"_OBJC_CLASS_$_", referenced from:
objc-class-ref in AppDelegate.o ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code
1 (use -v to see invocation)
I've been converted the library from Java into Objective-C. But I can't launch the project .
How to fix this issue?