Date: Sun, 18 Aug 2002 14:44:47 +0200 From: Gianmarco Giovannelli <gmarco@scotty.masternet.it> To: Edwin Groothuis <edwin@mavetju.org>, Gianmarco Giovannelli <gmarco@giovannelli.it> Cc: questions@FreeBSD.ORG Subject: Re: recursive include, why FreeBSD not ? Message-ID: <5.1.1.6.2.20020818144206.020f9ef0@194.184.65.7> In-Reply-To: <20020818122528.GD785@k7.mavetju> References: <5.1.1.6.2.20020818112527.0178a268@194.184.65.4> <5.1.1.6.2.20020818112527.0178a268@194.184.65.4>
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At 18/08/2002, Edwin Groothuis wrote: >On Sun, Aug 18, 2002 at 11:32:47AM +0200, Gianmarco Giovannelli wrote: > > I have a piece of code like this: > > > > #if defined(__OpenBSD__) > > #define __BYTE_ORDER BYTE_ORDER > > #define __LITTLE_ENDIAN LITTLE_ENDIAN > > #define __BIG_ENDIAN BIG_ENDIAN > > #endif > > > > [...] > > > > #if defined(__FreeBSD__) > > #include <sys/types.h> > > #define __BYTE_ORDER BYTE_ORDER > > #define __LITTLE_ENDIAN LITTLE_ENDIAN > > #define __BIG_ENDIAN BIG_ENDIAN > > #endif > > > > > > If I remove the: > > #include <sys/types.h> > > it doesn't compile while OpenBSD and Linux compile clean... > >Linux has the obsession of including include-files in the include >files itself. For example, sys/socket.h includes sys/types.h(*) > >FreeBSD doesn't include that sys/types.h in sys/socket.h, therefor >it will fail to compile. > >I don't know who is right, but if the man-page tells me to include >sys/types.h and sys/socket.h I will do it that way and not the other >way around and neither only sys/socket.h. > >(*) It might (or might not) be sys/types.h and sys/socket.h, but > that is the one which I think it was. I have had the same > experience a couple of times before. Tnx for your kind reply... Btw it seems not only Linux use the self inclusion. Also OpenBSD seems to act in this way, even if I really prefer the explicit way of doing things. Another question: but should this be a compiler (gcc) or OS dependant thing ??? Best Regards, Gianmarco Giovannelli , "Unix expert since yesterday" http://www.gufi.org/~gmarco To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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