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Re: Running the Darwin preprocessor

From: Derek Robert Price
Subject: Re: Running the Darwin preprocessor
Date: Fri, 13 Jun 2003 16:02:04 -0400
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.2) Gecko/20030208 Netscape/7.02

Andreas Schwab wrote:

Derek Robert Price <address@hidden> writes:

|> 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?

Use -Wp to pass arbitrary parameters down to cpp.

Is this autodetected somewhere or is it always appropriate (cross-platform)? I'm just calling $ac_cpp in a macro. How do I know whether to pass -dM or -Wp,dM to $ac_cpp?



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