CCS5.2编译问题undefined symbol

芯片为DM6446，CCS5.2编译，老提示undefined symbol，求高手指点，小弟不胜感激，以下为一部份：

undefined                          first referenced          

 symbol                                in file                

———                          —————-          

DAVINCIEVM_MSP430_setOutput        ./source/nandflash_test.obj

DAVINCIEVM_NANDFLASH_erase         ./source/nandflash_test.obj

DAVINCIEVM_NANDFLASH_getTotalPages ./source/nandflash_test.obj

DAVINCIEVM_NANDFLASH_init          ./source/nandflash_test.obj

DAVINCIEVM_NANDFLASH_readPage      ./source/nandflash_test.obj

DAVINCIEVM_NANDFLASH_writePage     ./source/nandflash_test.obj

DAVINCIEVM_init                    ./source/main.obj          

error #10234-D: unresolved symbols remain

error #10010: errors encountered during linking; "nand.out" not built

>> Compilation failure

gmake: *** [nand.out] Error 1

gmake: Target `all' not remade because of errors.

**** Build Finished ****

Jing Cui：

有些头文件和库没加进来吧