udf compilation problem

co2

I got the following error while compiling my udf. The same udf had compiled fine on another machine. But on the ME lab machines, it is not compiling. WHY IS THAT ?

- Charu

1 file(s) copied. (system "move user_nt.udf libudf\ntx86\3d")0 (system "copy C:\FLUENT.INC\fluent6.1\src\makefile_nt.udf libudf\ntx86\3d\makefile") 1 file(s) copied. 0 (chdir "libudf")() (chdir "ntx86\3d")() 'nmake' is not recognized as an internal or external command, operable program or batch file. 'nmake' is not recognized as an internal or external command, operable program or batch file.

Done.

Opening library "libudf"... Error: open_udf_library: The system cannot find the file specified.

Error Object: ()