That part was fixed, wrong tig localisation.
Now I Get:
**** Build of configuration Debug for project cpp_project_1 ****
make all
Building file: ../src/cpp_project_1.cpp
Invoking: GCC C++ Compiler
g++ -I/home/rafles01/workspace -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"src/cpp_project_1.d" -MT"src/cpp_project_1.d" -o "src/cpp_project_1.o" "../src/cpp_project_1.cpp"
Finished building: ../src/cpp_project_1.cpp
Building target: cpp_project_1
Invoking: GCC C++ Linker
g++ -o "cpp_project_1" ./src/cpp_project_1.o
./src/cpp_project_1.o: In function `main':
/home/rafles01/workspace/cpp_project_1/Debug/../src/cpp_project_1.cpp:18: undefined reference to `ting::net::Lib::Lib()'
/home/rafles01/workspace/cpp_project_1/Debug/../src/cpp_project_1.cpp:24: undefined reference to `ting::net::TCPServerSocket::Open(unsigned short, bool, unsigned short)'
/home/rafles01/workspace/cpp_project_1/Debug/../src/cpp_project_1.cpp:29: undefined reference to `ting::net::TCPServerSocket::Accept()'
/home/rafles01/workspace/cpp_project_1/Debug/../src/cpp_project_1.cpp:42: undefined reference to `ting::net::TCPSocket::Send(ting::Buffer<unsigned char const> const&, unsigned long)'
/home/rafles01/workspace/cpp_project_1/Debug/../src/cpp_project_1.cpp:42: undefined reference to `ting::net::Lib::~Lib()'
/home/rafles01/workspace/cpp_project_1/Debug/../src/cpp_project_1.cpp:42: undefined reference to `ting::net::Lib::~Lib()'
./src/cpp_project_1.o: In function `ting::net::Socket::Socket()':
/home/rafles01/workspace/ting/net/Socket.hpp:139: undefined reference to `vtable for ting::net::Socket'
./src/cpp_project_1.o: In function `ting::net::TCPSocket::operator=(ting::net::TCPSocket const&)':
/home/rafles01/workspace/ting/net/TCPSocket.hpp:89: undefined reference to `ting::net::Socket::operator=(ting::net::Socket const&)'
./src/cpp_project_1.o:(.rodata._ZTVN4ting3net15TCPServerSocketE[_ZTVN4ting3net15TCPServerSocketE]+0x20): undefined reference to `ting::net::Socket::GetHandle()'
./src/cpp_project_1.o: In function `ting::net::TCPServerSocket::~TCPServerSocket()':
/home/rafles01/workspace/ting/net/TCPServerSocket.hpp:53: undefined reference to `ting::net::Socket::~Socket()'
./src/cpp_project_1.o:(.rodata._ZTVN4ting3net9TCPSocketE[_ZTVN4ting3net9TCPSocketE]+0x20): undefined reference to `ting::net::Socket::GetHandle()'
./src/cpp_project_1.o: In function `ting::net::TCPSocket::~TCPSocket()':
/home/rafles01/workspace/ting/net/TCPSocket.hpp:53: undefined reference to `ting::net::Socket::~Socket()'
./src/cpp_project_1.o:(.rodata._ZTIN4ting3net15TCPServerSocketE[_ZTIN4ting3net15TCPServerSocketE]+0x10): undefined reference to `typeinfo for ting::net::Socket'
./src/cpp_project_1.o:(.rodata._ZTIN4ting3net9TCPSocketE[_ZTIN4ting3net9TCPSocketE]+0x10): undefined reference to `typeinfo for ting::net::Socket'
collect2: error: ld returned 1 exit status
make: *** [cpp_project_1] Error 1
**** Build Finished ****