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Re: [bug-inetutils] build failure with cpp-3.3

From: Richard Dawe
Subject: Re: [bug-inetutils] build failure with cpp-3.3
Date: Thu, 23 Oct 2003 22:19:30 +0100


Robert Millan wrote:
> Hi!
> ifconfig fails to build with preprocessor errors when attempting with cpp-3.3:
> if gcc -DHAVE_CONFIG_H -I. -I../../inetutils-1.4.2+20031022/ifconfig -I..     
> -g -O2 -MT options.o -MD -MP -MF ".deps/options.Tpo" \
>   -c -o options.o `test -f 
> '../../inetutils-1.4.2+20031022/ifconfig/options.c' || echo 
> '../../inetutils-1.4.2+20031022/ifconfig/'`../../inetutils-1.4.2+20031022/ifconfig/options.c;
>  \
> then mv -f ".deps/options.Tpo" ".deps/options.Po"; \
> else rm -f ".deps/options.Tpo"; exit 1; \
> fi
> ../../inetutils-1.4.2+20031022/ifconfig/options.c:256:42: pasting "->" and 
> "address" does not give a valid preprocessing token

This means you the macro concatenation operator is used unnecessarily. E.g.:

    #define MACRO(x, y) x->##y

You don't need the "##".

The other cases have a bogus "##" before a semicolon.

I would contribute a patch, but I can't get paperwork.

Bye, Rich =]

Richard Dawe [ http://www.phekda.freeserve.co.uk/richdawe/ ]

"You can't evaluate a man by logic alone." -- McCoy, "I, Mudd", Star Trek

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