[Dune] dune-grid-howto: compilation error in integration.cc

[Carsten Gräser]

Am 30.03.2010 11:27, schrieb Christian Engwer:
> On Tue, Mar 30, 2010 at 10:57:21AM +0200, Carsten Gräser wrote:
>> Am 30.03.2010 10:31, schrieb Christian Engwer:
>>> On Tue, Mar 30, 2010 at 10:15:26AM +0200, Jö Fahlke wrote:
>>>> Am Tue, 30. Mar 2010, 09:16:43 +0200 schrieb Benedikt Oswald:
>>>>> /Users/oswald/svnwork/dune-trunk/dune-grid/dune/grid/yaspgrid.hh:8:18:
>>>>> error: cstdint: No such file or directory
>>>>
>>>> I think the problem is the #include <cstdint> instroduced in dune-grid r6545
>>>> by chriti.  I cannot find the header cstdint in the standard, so that commit
>>>> was probably wrong.  Christi, can you please have a look?
>>>
>>> OK, I checked... the include was necessary to use the uint8_t. Sadly
>>> this header is only part of C++0x. Can anybody tell me what is the
>>> correct way of using fixed bit-with integral types? Would the stdint.h
>>> header (part of C99) be a viable solution?
>>>
>>> Opinions?
>> While <stdint.h> is only part of C99 but not of ISO C++ the
>> tr1 extension defines <stdint.h> and <cstdint>. The later
>> puts the types in the std:: namespace <stdint.h> provides them
>> in the global  namespace (like C99).
>>
>> If we want to realy on plain ISO C++ without extensions the
>> answer is simple: Don't use any of those headers or reimplement it.
> 
> We have to find a way in the middle. Reimplementing everything doesn't
> seem a good solution. We had too much trouble already.
> 
> If enough systems provide stdint.h, I'd suggest to just use it.
If there are still systems that don't provide it we could perhaps
support <boost/cstdint.hpp> as possible replacement.

Carsten