Wireshark-dev: Re: [Wireshark-dev] mix of c and C++
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From: Stephen Fisher <steve@xxxxxxxxxxxxxxxxxx>
Date: Wed, 27 Jul 2011 10:35:36 -0600
On Tue, Jul 19, 2011 at 08:23:51AM +0200, Helge Kruse wrote:

> @all: What is the sense behind the HAVE_CONFIG_H if I need it anyway?

config.h is only used on Unix, so only Unix builds need to include it.  
Things like HAVE_LIBPCAP are defined in there according to the configure 
script's results, which various Wireshark source files can use to 
include/exclude code specific to certain optional features such as 
libpcap or adns/libsmi/c-ares/etc.