Date: Sat, 13 Apr 2002 17:40:04 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: Bernd Walter <ticso@cicely9.cicely.de> Cc: David O'Brien <obrien@FreeBSD.ORG>, alpha@FreeBSD.ORG Subject: Re: Any idea what this preprocessing was trying to do? Message-ID: <3CB8CFE4.D31E759D@mindspring.com> References: <20020413160524.A43166@dragon.nuxi.com> <20020413235105.GK10043@cicely9.cicely.de>
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Bernd Walter wrote:
> On Sat, Apr 13, 2002 at 04:05:24PM -0700, David O'Brien wrote:
> > I had to make this change to build tsunami_pci.o with Gcc 3.1 because the
> > integrated CPP was treating "=op(" as a token vs. the three tokens it is.
> >
> > I really don't see why ## had to be used, as w/o the string concatination
> > the tokens are legal ANSI-C.
>
> Maybe it enables op to be a macro itself?
It enables it to be a macro that doesn't take parameters. Normally,
there is a distinction between "foo" and "foo(".
-- Terry
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