I just figured it out by adding "savepath" command after each of path command at the previous command.
But still I'm getting error about mca.mex. I guess ,again, I couldn't build MCA extension in terms of mex file. I run the script (buildForOctave.sh) and after that, I run make. I've got this error :
The things that I've done so far since yesterday are :
1) I managed to build MCA extension for Octave properly.
2) Now,I can run the examples.
3) But, I think ,I miss something about editing path for octave for mcaget,mcaput.. commands,because Octave doesn't see those commands. But I had done it by doing that in Octave :