Re: still problems with libstdcxx-v3 and -ansi

[llewelly at edevnull dot com]

Steven King <sxking@uswest.net> writes:

> On Fri, 22 Sep 2000, Martin Reinecke wrote:
> > Hi!
> > 
> > I just wanted to remind you of the problem I reported in
> > 
> > http://sources.redhat.com/ml/libstdc++/2000-q2/msg00334.html
> > 
> > As far as I can tell the situation is even worse at the moment
> > (CVS 20000920), because the list of undeclared functions that 
> > are needed in <cmath> is now even longer.
> > 
> > It's not a good thing if the standard library can't be used
> > with -ansi ;)
> 
> Perhaps, perhaps not.  From 'gcc --help -v'
> 
> 	Langauge specific options:
> 	   -ansi		Compile just for ISO C89
> 
> thus one might argue that -ansi is not meaningfull for a C++ program.  In that
> case however, I would also argue that -ansi should be rejected by the
> pre-processor if applied to C++ source ;0


Really? What about this?

-ansi In C mode, support all ANSI standard C programs. In C++ mode,
 remove GNU extensions that conflict with ISO C++ [...snip]

-pendantic
  Issue all the warnings demanded by strict ISO C and ISO C++ [...snip]


(paraphrased from http://gcc.gnu.org/onlinedocs/gcc_2.html#SEC6)