-ppopt
Specifies options affecting the preprocessed output.
-prefix
Adds contents of a text file or precompiled header as a prefix to all source files.
-noprecompile
Do not precompile any source files based upon the filename extension.
-nosyspath
Performs a search of both the user and system paths, treating #include statements of the form #include <xyz> the same as the form #include "xyz".
-stdinc
Uses standard system include paths as specified by the environment variable %MWCIncludes%.