problem creating new project using eclipse in the Ubuntu

I have problem creating new project using eclipse in the Ubuntu. I’m following the structure of the FreeRTOS/Source, but not work, I’m using a microcontroller MSP430F5438A Texas. all library are linked. Erro: Description Resource Path Location Type unresolved symbol vApplicationTickHook, first referenced in ./Source/tasks.obj test C/C++ Problem Description Resource Path Location Type unresolved symbol vApplicationStackOverflowHook, first referenced in ./Source/tasks.obj test C/C++ Problem Rafhael Xavier Monteiro Licenciatura Engenharia Eletrotecnica e de Computadores Universidade de Beira Interior

problem creating new project using eclipse in the Ubuntu

If you are writting your application in C++, then you need to make sure you declare that the FreeRTOS callback functions, like vApplicationTickHook are declared as extern “C”, so they have unmangled names and the right calling convention.