Re: macro definition for different compile configurations

From:
Victor Bazarov <v.bazarov@comcast.invalid>
Newsgroups:
comp.lang.c++
Date:
Tue, 27 Mar 2012 07:58:08 -0400
Message-ID:
<jksa0h$aa4$1@dont-email.me>
On 3/27/2012 3:29 AM, thomas wrote:

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(){}


Why don't your functions declared returning a value return a value? Are
those supposed to be definitions or declarations?

You *do* know that in C++ you're allowed to have functions with the same
name and different argument list, right? That's called "overloading".
You *can* declare/define your 'f' and 'g' all in the same scope.

----------------------------
I'm trying to define some marco like

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


And use it HOW? To achieve WHAT?

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


"Cannot work" for what?

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


What exactly are you *trying to do*? You're stating that your solution
is not working, but what is *the problem* that you're trying to solve?
(And please don't tell us that the problem is that the solution is not
working)

V
--
I do not respond to top-posted replies, please don't ask

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