2009/3/10 Sylvain Pion:
> Manuel López-Ibáñez wrote:
>> 2009/3/10 Sylvain Pion:
>>>
>>> Yes, but like any extension, it's nice to be able to disable them
>>> as errors, so as to be able to use GCC for checking code portability.
>>
>> So use -pedantic-errors as it says in the manual. You should real
-pedantic-errors will make it an error.
I don't feel strongly about whether these should be pedwarn or something
stronger, but I note that libstdc++ wants to use variadic templates in
the default mode, so we can't just disable them entirely.
Jason
On Tue, Mar 10, 2009 at 7:57 AM, Manuel López-Ibáñez
wrote:
> 2009/3/10 Sylvain Pion :
>>>
>>> But then probably, variadic templates are implemented as a GCC
>>> extension to C++98 and they work fine with -std=c++98 despite what the
>>> warning says. Or don't they?
>>
>> Yes, but like any extensio
Gabriel Dos Reis wrote:
On Tue, Mar 10, 2009 at 6:58 AM, Sylvain Pion
wrote:
Manuel López-Ibáñez wrote:
2009/3/10 Sylvain Pion :
The problem I fear is that variadic templates are already conveniently
used as an implementation detail in libstdc++. And the warning there
is probably hidden by t
Manuel López-Ibáñez wrote:
2009/3/10 Sylvain Pion :
But then probably, variadic templates are implemented as a GCC
extension to C++98 and they work fine with -std=c++98 despite what the
warning says. Or don't they?
Yes, but like any extension, it's nice to be able to disable them
as errors, so
2009/3/10 Sylvain Pion :
>>
>> But then probably, variadic templates are implemented as a GCC
>> extension to C++98 and they work fine with -std=c++98 despite what the
>> warning says. Or don't they?
>
> Yes, but like any extension, it's nice to be able to disable them
> as errors, so as to be able
On Tue, Mar 10, 2009 at 6:58 AM, Sylvain Pion
wrote:
> Manuel López-Ibáñez wrote:
>>
>> 2009/3/10 Sylvain Pion :
>>>
>>> The problem I fear is that variadic templates are already conveniently
>>> used as an implementation detail in libstdc++. And the warning there
>>> is probably hidden by the "s
Manuel López-Ibáñez wrote:
2009/3/10 Sylvain Pion :
The problem I fear is that variadic templates are already conveniently
used as an implementation detail in libstdc++. And the warning there
is probably hidden by the "system header" warning removal machinery.
But then probably, variadic temp
2009/3/10 Sylvain Pion :
>
> The problem I fear is that variadic templates are already conveniently
> used as an implementation detail in libstdc++. And the warning there
> is probably hidden by the "system header" warning removal machinery.
>
But then probably, variadic templates are implemented
Sylvain Pion wrote:
> The problem I fear is that variadic templates are already conveniently
> used as an implementation detail in libstdc++. And the warning there
> is probably hidden by the "system header" warning removal machinery.
It is, you are right.
Paolo.
Jan van Dijk wrote:
Consider the one-liner C++ 'program':
template struct pack;
With the trunk, g++ -c [-std=gnu++98] gives:
warning: variadic templates only available with -std=c++0x or -std=gnu++0x
Should this not be an *error* instead? Variadic templates really should not be
supported in
Manuel López-Ibáñez wrote:
> In any case the wording of the warning is weird: it says variadic
> templates are not available but then it is accepted with just a
> warning.
>
I agree.
>> to variadic templates. It also happens, for example, for:
>>
>> enum class e { };
>>
>>
>
> What is the w
2009/3/10 Paolo Carlini :
>>
>> warning: variadic templates only available with -std=c++0x or -std=gnu++0x
>>
> I'm afraid the behavior you are seeing is by design, and is not specific
In any case the wording of the warning is weird: it says variadic
templates are not available but then it is acce
Hi,
> Consider the one-liner C++ 'program':
>
> template struct pack;
>
> With the trunk, g++ -c [-std=gnu++98] gives:
>
> warning: variadic templates only available with -std=c++0x or -std=gnu++0x
>
> Should this not be an *error* instead? Variadic templates really should not
> be
> supported i
Consider the one-liner C++ 'program':
template struct pack;
With the trunk, g++ -c [-std=gnu++98] gives:
warning: variadic templates only available with -std=c++0x or -std=gnu++0x
Should this not be an *error* instead? Variadic templates really should not be
supported in non-c++0x mode.
If n
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