On Nov 20, 2007, at 7:55 PM, Rich Morin wrote:
> At 15:36 +0100 11/20/07, Joerg Schilling wrote:
>> If you convert to ## and if Dtrace on Solaris still calls
>> /lib/cpp, it will no longer work on Solaris.
>>
>> Check the __CONCAT__ macro in /usr/include/sys/*.h
>
> Well, "grep __CONCAT__ /usr/include/sys/*.h" comes up empty
> on Leopard, so no help there. However, Googling about, I do
> see some examples of __CONCAT__ definitions.
>
> I wonder if I need to do something like this, for portability:
>
> #if __APPLE__
> #define __CONCAT__(A,B) A ## B
> #else
> #define __CONCAT__(A,B) A/**/B
> #endif
>
> then use __CONCAT__ in the following code. Problem is, I
> don't know what the #if test should be. __APPLE__ is a bit
> too specific...
>
> Comments? Clues? Suggestions?
Rich,
If I've read the earlier diagnosis correctly (thanks everyone!),
wouldn't __STDC__ be appropriate?
It seems like this is an ANSI vs K&R issue, so I think that should
be reasonably close.
James M
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