Re: [Boost-users] [container] Compilation failure with clang 3.1

Subject: Re: [Boost-users] [container] Compilation failure with clang 3.1
From: Alexandre Hamez (alexandre.hamez_at_[hidden])
Date: 2012-05-25 10:20:47

On Friday, May 25, 2012 2:38:24 PM UTC+2, Marshall Clow wrote:
>
>
> On May 25, 2012, at 1:07 AM, Alexandre Hamez wrote:
>
> Hello,
>
> When compiling Boost.Container, clang 3.1 (stable release, Mac OS X 
> 10.7.4) fails:
>  
>
>> /opt/local/include/boost/container/allocator/allocator_traits.hpp:167:105: 
>>> error: type name requires a specifier or qualifier
>>
>>          template <typename T> using rebind_alloc  = 
>>> boost::intrusive::detail::type_rebinder<Alloc, T>::type;
>>
>>                                                                           
>>>                               ^
>>
>> /opt/local/include/boost/container/allocator/allocator_traits.hpp:167:59: 
>>> error: expected ';' after alias declaration
>>
>>          template <typename T> using rebind_alloc  = 
>>> boost::intrusive::detail::type_rebinder<Alloc, T>::type;
>>
>>                                                           ^
>>
>>                                                           ;
>>
>> /opt/local/include/boost/container/allocator/allocator_traits.hpp:168:72: 
>>> error: use of undeclared identifier 'rebind_alloc'
>>
>>          template <typename T> using rebind_traits = allocator_traits< 
>>> rebind_alloc<T> >;
>>
>>                                                                        ^
>>
>> /opt/local/include/boost/container/allocator/allocator_traits.hpp:168:85: 
>>> error: 'T' does not refer to a value
>>
>>          template <typename T> using rebind_traits = allocator_traits< 
>>> rebind_alloc<T> >;
>>
>>                                                                           
>>>           ^
>>
>> /opt/local/include/boost/container/allocator/allocator_traits.hpp:168:29: 
>>> note: declared here
>>
>>          template <typename T> using rebind_traits = allocator_traits< 
>>> rebind_alloc<T> >;
>>
>>                             ^
>>
>> /opt/local/include/boost/container/allocator/allocator_traits.hpp:168:87: 
>>> error: expected ';' after alias declaration
>>
>>          template <typename T> using rebind_traits = allocator_traits< 
>>> rebind_alloc<T> >;
>>
>>
> However gcc 4.7 has no problem with it. Does anyone has experienced the 
> same thing and possibly found a workaround?
>
>
> Currently, on both the trunk and release branches, that line is:
> template <typename T> using rebind_alloc = typename 
> boost::intrusive::detail::type_rebinder<Alloc, T>::type; 
> (note the extra 'typename')
>
> You might try inserting that, and see if that fixes the problem.
>
Indeed, it works! I should have seen this problem... Anyway, thank you! 
 

>
> -- Marshall
>
> Marshall Clow     Idio Software   <mailto:mclow.lists_at_[hidden]<mclow.lists_at_[hidden]>
> >
>
> A.D. 1517: Martin Luther nails his 95 Theses to the church door and is 
> promptly moderated down to (-1, Flamebait).
>         -- Yu Suzuki 
>
>