problem related with setting default compiler using matlab r2011a

dear sir, while making .exe file,we have to set default complier by using the command * mbuild-setup * . but when i typed on command prompt then this error occured. plz help me.

>> mbuild-setup String found where operator expected at (eval 78) line 1, near "'"if exist ''.$ENV{'" (Missing operator before '.$ENV{'?) String found where operator expected at (eval 79) line 1, near "'"if exist ''.$ENV{'" (Missing operator before '.$ENV{'?) String found where operator expected at (eval 80) line 1, near "'"if exist ''.$ENV{'" (Missing operator before '.$ENV{'?) String found where operator expected at (eval 81) line 1, near "'"if exist ''.$ENV{'" (Missing operator before '.$ENV{'?) Usage: MBUILD [option1 ... optionN] sourcefile1 [... sourcefileN] [objectfile1 ... objectfileN] [libraryfile1 ... libraryfileN] [exportfile1 ... exportfileN]

    Use the -help option for more information, or consult the MATLAB Compiler 
    User's Guide. 

C:\PROGRA~1\MATLAB\R2011A\BIN\MEX.PL: Error: No file names given.

??? Undefined function or variable 'setup'.

Answer 1

[Chaitra]

Execute the command by specifying a space between mbuild and setup

Execute the following command:

>> mbuild -setup

Even i encountered "??? Undefined function or variable 'setup'." error if i execute mbuild-setup

Infact you can use mex -setup to configure compiler settings:

>>mex -setup