[omniORB] "OMNIIDL2.EXE: spawnvp of CL failed"

[Gerald Gutierrez]

Hi all.

I just downloaded verion 2.5.0 for Windows and have been trying to compile
an idl file with omniidl2. If I run omniidl2 without any arguments, I'm
presented with a help message, however when I try to compile the example
echo.idl with

omniidl2 echo.idl

I get the following :

C:\a\omniORB_2.5.0\bin\x86_win32>omniidl2 echo.idl
C:\A\OMNIOR~1.0\BIN\X86_WI~1\OMNIIDL2.EXE: spawnvp of CL failed
Preprocessor returned non-zero status -1

This error occurs regardless of whether echo.idl is actually in the current
directory or not. I have a feeling I haven't set up something properly, but
I have set up my path and I have put an IOR in the registry. I don't see
instructions for anything else.

Any help would be greatly appreciated.