On Mar 18, 5:55 pm, Jason <[email protected]> wrote:
> On Wednesday 16 March 2011 09:11:38 Jason wrote:
>
>
>
>
>
> > On Wednesday 16 March 2011 09:03:41 Jason wrote:
> > > On Wednesday 16 March 2011 08:21:35 Cactus wrote:
> > > > On Mar 16, 1:42 am, Bill Hart <[email protected]> wrote:
> > > > > I don't think we should be using C++0x features without a conscious
> > > > > decision to do that.
>
> > > > > On 16 March 2011 01:35, Jason <[email protected]> wrote:
> > > > > > Hi
>
> > > > > > Using the new autotools and running make check , the C++ tests fail
> > > > > > to compile with this error
>
> > > > > > /mpir/trunk/tests/cxx# make t-misc
> > > > > > g++ -DHAVE_CONFIG_H -I. -I../.. -I../.. -I../../tests -O2 -m64
> > > > > > -march=core2 -mtune=core2 -c -o t-misc.o t-misc.cc
> > > > > > In file included from /usr/lib64/gcc/x86_64-slackware-
> > > > > > linux/4.4.4/../../../../include/c++/4.4.4/cstdint:35,
>
> > > > > > from ../../mpir.h:58,
>
> > > > > > from t-misc.cc:33:
> > > > > > /usr/lib64/gcc/x86_64-slackware-
> > > > > > linux/4.4.4/../../../../include/c++/4.4.4/c++0x_warning.h:31:2:
> > > > > > error: #error This file requires compiler and library support for
> > > > > > the upcoming ISO C++ standard, C++0x. This support is currently
> > > > > > experimental, and must be enabled with the -std=c++0x or
> > > > > > -std=gnu++0x compiler options.
> > > > > > make: *** [t-misc.o] Error 1
>
> > > > > > Using the suggested fix , fixes the problem , but as I know next to
> > > > > > nothing about C++ standards , what should we do?
>
> > > > > > Thanks
> > > > > > Jason
>
> > > > > > --
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>
> > > > This should only happen if HAVE_STDINT_H has been defined in config.h
>
> > > > Brian
>
> > > Ah , thanks , I've fixed the error now , I just put a test in autoconf
> > > for cstdint
>
> > > Jason
>
> > Whoops , forgot to type --enable-cxx , so nothing fixed :(
>
> > Jason
>
> svn trunk rev 3435 is fine , so it's the code for the get/set_ux function that
> makes C++ require the std=0x , or rather the inclusion of uintmax in mpir.h ,
> I suspect.
>
> Jason
Hi Jason,
It is only when a source code file includes the define HAVE_STDINT_H
that mpir.h then includes either stdint.h or cstdint.
Since the functions involving *_ux and *_sx require the (u)intmax_t
types by definition, they do, as you suggest, invoke this include, one
that is not C89 compliant.
They are not alone in this since the long long types are not C89
compliant either.
Brian
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