macro definition for different compile configurations

From	thomas <freshthomas@gmail.com>
Newsgroups	comp.lang.c++
Subject	macro definition for different compile configurations
Date	2012-03-27 00:29 -0700
Organization	http://groups.google.com
Message-ID	<26170974.62.1332833351847.JavaMail.geo-discussion-forums@ynel5> (permalink)

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Hi, 
 I'm stucked by something appears really simple at first sight.

I have a function definition with different parameter list in different compile configurations. for example.

--------------------------
CONF1:
int f(int x, int y){}
int g(int x){}

CONF2:
int f(int y){}
int g(){}
----------------------------
I'm trying to define some marco like

#if CONF1
#define PARAM(list) int x, list
#elseif CONF2
#define PARAM(list) list
#endif

But it cannot work for func g() definition in CONF1 since a "," is appended unexpectedly.

It seems to be really simple, but I am now a little dumb how to define one and solve it elegantly.

thanks. 

tom

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macro definition for different compile configurations thomas <freshthomas@gmail.com> - 2012-03-27 00:29 -0700
  Re: macro definition for different compile configurations Victor Bazarov <v.bazarov@comcast.invalid> - 2012-03-27 07:58 -0400
  Re: macro definition for different compile configurations thomas <freshthomas@gmail.com> - 2012-03-27 06:44 -0700
    Re: macro definition for different compile configurations Qi <no@no.com> - 2012-03-27 21:53 +0800
      Re: macro definition for different compile configurations Juha Nieminen <nospam@thanks.invalid> - 2012-03-27 17:31 +0000
  Re: macro definition for different compile configurations thomas <freshthomas@gmail.com> - 2012-03-27 07:05 -0700
    Re: macro definition for different compile configurations Geoff <geoff@invalid.invalid> - 2012-03-27 09:49 -0700
      Re: macro definition for different compile configurations Stuart Redmann <DerTopper@web.de> - 2012-03-27 11:27 -0700
        Re: macro definition for different compile configurations Geoff <geoff@invalid.invalid> - 2012-03-27 11:46 -0700
          Re: macro definition for different compile configurations Stuart Redmann <DerTopper@web.de> - 2012-03-27 12:39 -0700
            Re: macro definition for different compile configurations Ian Collins <ian-news@hotmail.com> - 2012-03-28 08:49 +1300
              Re: macro definition for different compile configurations Stuart Redmann <DerTopper@web.de> - 2012-03-27 12:58 -0700
                Re: macro definition for different compile configurations Geoff <geoff@invalid.invalid> - 2012-03-27 15:50 -0700
          Re: macro definition for different compile configurations Juha Nieminen <nospam@thanks.invalid> - 2012-03-28 08:14 +0000
            Re: macro definition for different compile configurations Stuart Redmann <DerTopper@web.de> - 2012-03-28 07:30 -0700
      Re: macro definition for different compile configurations thomas <freshthomas@gmail.com> - 2012-03-27 18:00 -0700

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