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

[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.

Benedikt, is stdint.h available on the machine in question?

Christian