Re: NGPT + C++ = ?

Hi,

ok... sounds plausible... better still: it definitely seems to be the
reason :) I've tried to reproduce now by hand:

<<< inet.cc >>>
#include <iostream.h>
#include <netinet/in.h>

int main()
{
        return 0;
}
<<< /inet.cc >>>

And then try to compile as this:

[master]:Okay->g++ -nostdinc -fPIC -g -Wall -fexceptions
-ftemplate-depth-25 -D_REENTRANT -DBUILDTIME="Tuesday 13 August
2002/09:22:09" -D_POSIX_PTHREAD_SEMANTICS
-I/usr/lib/gcc-lib/i486-suse-linux/2.95.3/include -I/usr/include
-I/usr/include/g++ -I/jop200_0/verkout/pci/src/libs  -o inet inet.cc
In file included from /usr/include/netinet/in.h:250,
                 from inet.cc:2:
/usr/include/bits/in.h:69: ANSI C++ forbids data member `ip_opts' with
same name as enclosing class


If I compile it as:


[master]:Okay->g++ -fPIC -g -Wall -fexceptions -ftemplate-depth-25
-D_REENTRANT -DBUILDTIME="Tuesday 13 August 2002/09:22:09"
-D_POSIX_PTHREAD_SEMANTICS
-I/usr/lib/gcc-lib/i486-suse-linux/2.95.3/include -I/usr/include
-I/usr/include/g++ -I/jop200_0/verkout/pci/src/libs -o inet inet.cc
[master]:Okay->


it works like a charm (notice: just removed the -nostdinc option)



Another, far from desirable solution (what we did, at one point) was to
hack the system include file bits/in.h  and change it from an anonymous
struct definition into a typedef and then it also compiles just fine
(with the -nostdinc option)


Thanks for the explanation!


Cheers,

Harro




Arend-jan Wytzes wrote:
> 
> Hi,
> 
> The problem you're seeing is probably because you disabled the default
> include paths, and then enabled those by hand.
> 
> The compiler does not warn about errors in header files that are located in
> the default include path, probably because you don't want to be bothered
> with those as a developer. So warnings for code in the system header files
> are ignored because those files are in the default path.
> 
> Grtz,
> 
> aj

-- 

Groeten,


Harro Verkouter                 Joint Institute for VLBI in Europe
[email protected]		Radiosterrenwacht Dwingeloo 
			        Postbus 2
tel.: (+31)(0)521-596516	7990 AA DWINGELOO, the Netherlands
fax.: (+31)(0)521-597332 	

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