Date: Wed, 26 Dec 2001 01:55:31 -0700 (MST) From: "M. Warner Losh" <imp@village.org> To: arch@FreeBSD.ORG Subject: Re: cvs commit: src/sys/isa fd.c Message-ID: <20011226.015531.63813856.imp@village.org> In-Reply-To: <20011220193618.B19756@uriah.heep.sax.de> References: <20011219095119.B93645@sunbay.com> <20011220235518.V673-100000@gamplex.bde.org> <20011220193618.B19756@uriah.heep.sax.de>
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: What does NetBSD do here? It would surprise me if they didn't have a
: method to distinguish between their various machines at the cpp level.
NetBSD does what FreeBSD does. They define __${MACHINE}__ and
__${MACHINE_ARCH}__ for each port. The trouble happens when MACHINE
== MACHINE_ARCH and there's more than one. I'm not sure what
NetBSD/pc98 is going to do once it is integrated into the tree. For
the NetBSD architectures that have more than one MACHINE for a given
MACHINE_ARCH, these names are always different (again, I'm not sure if
this will hold once pc98 goes into the NetBSD tree).
_MACHINE_ARCH and MACHINE_ARCH are used only by make and maybe one or
two other minor things.
The problem with using anything in machine/*.h is that FreeBSD/pc98
and FreeBSD/i386 use the same files. You'd have to have the ifdefs in
there based on PC98 being defined or not.
Warner
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