Running the Darwin preprocessor

[Derek Robert Price]

Has anyone encountered this on MacOSX?  I'm running the pre-Jaguar OSX 
10.1 (Darwin kernel 5.5).

Autoconf/configure discovers that running the C preprocessor requires 
`cc -E', but `cc -E' doesn't appear to pass other options through to the 
C preprocessor (in this case `cpp').

Basically, I was attempting to discover a definition using `cpp -dM' to 
output defined macros, but `cc -E -dM' doesn't work even though `cpp 
-dM' does.  Is there some way around this problem?  Is configure 
discovering the wrong preprocessor on OSX?  Do later version of the OSX 
dev kit fix the problem?

Derek

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