problem with install seagrid

[wrh]

dear all:
i fellow the instruction to install seagrid on my matlab(r2008b,linux32) and try to build mex file for this Matlab version.but I have a problem :
>> which mexopts.sh
/root/.matlab/R2008b/mexopts.sh
>> make_seagrid_mex

Error: An invalid options file name was specified:
./mexopts.sh
is not a normal file or does not exist.

??? Error using ==> mex at 213
Unable to complete successfully.

Error in ==> make_seagrid_mex at 4
mex -f ./mexopts.sh -v mexinside.c

I don't know how to fix it, could you help me???
best!!

[linzhenhua]

Try first change current directory to /root/.matlab/R2008b/ and then run the command.