Ld error undefined symbol

C++ error. Undef c++. Apple error. Exe: error: ld returned 1 exit status. Pawn compiler.	Sdl c++. Ld error undefined symbol. Ld error undefined symbol. Sdl2 c++. Ld error undefined symbol.
Objc code. Id returned 1 exit status c++ ошибка. Ld error undefined symbol. Boost c++. Undefined reference.	Ld error undefined symbol. Ld error undefined symbol. Ld error undefined symbol. Ld error undefined symbol. Ld error undefined symbol.
Id returned 1 exit status си. Undefined reference. Формат mach-o:. Ld error undefined symbol. Undefined reference.	Ld error undefined symbol. Ld error undefined symbol. Welcome letter для нового сотрудника. Ld error undefined symbol. Идентификатор консоли.
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Структура велком письма. Collect2. Ld error undefined symbol. Action python что это. Ld returned 1 exit status.	Ld error undefined symbol. Undefined reference. C++ error. Id returned 1 exit status c++ ошибка. Undef c++.
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Undefined reference. Sdl c++. Идентификатор консоли. Ld error undefined symbol. C++ error.	Boost c++. Ld error undefined symbol. Undefined reference. Ld error undefined symbol. Id returned 1 exit status си.
Pawn язык программирования. Undefined reference. Ld error undefined symbol. Ld error undefined symbol. Ld error undefined symbol.	Ld error undefined symbol. Boost c++. C++ error. Ld error undefined symbol. Sdl c++.
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Структура велком письма. Ld error undefined symbol. Undefined reference. Ld error undefined symbol. Ld error undefined symbol.	Ld error undefined symbol. Arm64 или armv7. C++ error. Ld error undefined symbol. Apple error.