* Ralf Wildenhues <Ralf.Wildenhues@xxxxxx> [2007-03-05 20:27:31 +0100]: > The next more complicated case is with conflicting header files. > In that case I guess you should write a special test. You can > use AC_COMPILE_IFELSE for general compile tests, and AC_CHECK_DECL > to find out if a symbol is declared. You'll have to work around > the caching though if it really depends only on the set of included > headers (e.g., by unsetting the cache variable before the test). > Yes, I tried a few tests using this approach and I can, with some effort, create definitions such as DAEMON_IN_STDLIB or DAEMON_IN_UNISTD, etc. I'm convinced now this method is overly complex and rather brittle.... I think the thing to do is a) include both headers and be done with it or b) code a small daemon function myself given that some unices may not have it. Thanks for your response. Phil
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