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Error while importing v3.3 project on ccs v5.1

actually i have a downloaded a speech codec speeex which has implementation on c55X,but the project file was v3.3 so i tried to imported it as

File | Import | Legacy ccsv3.3 | browse the .pjt(checking copy to workspace)

as soon as i import is over i get the warning

Invalid project path: Include path not found (\include). speex_C55_test pathentry Path Entry Problem

Invalid project path: Include path not found (E:\Speech Coding\codec test\Speex\speex-1.2rc1\ti\include). speex_C55_test pathentry Path Entry Problem

after that without resolving them i tried to build it which again thrown me 2 more warnings and plently " file not found"

Build variable 'C5500_CSL_CG_ROOT' cannot be resolved. speex_C55_test properties TI Problem Marker

Build variable 'C5500_CSL_CG_ROOT' cannot be resolved. speex_C55_test properties TI Problem Marker

i have seen the same problem resolved here 

the discussion says to go to properties| Dependencies| add <- this must show the projects in work-space but i have not found anything though i have copied the imported project to workspace 

please quickly suggest me a solution