Undefined symbols for architecture x86_64:
"CNotification::notify(char const, char const)", referenced from:
CChat::AddLine(int, int, char const) in chat.cpp.o
"_main", referenced from:
implicit entry/start for main executable
(maybe you meant: _SDL_main)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: ** [DDNet] Error 1
make[1]: [CMakeFiles/DDNet.dir/all] Error 2
make: [all] Error 2