Re: C++11 flags for jhbuild

[Murray Cumming <murrayc murrayc com>]

On Sun, 2015-07-19 at 23:09 +1200, Ian Martin wrote:
> Hi,
> I'm trying to build gtkmm with jhbuild.  glibmm fails with a number of 
> warnings and errors starting with
> > warning: identifier 'decltype' is a keyword in C++11 [-Wc++0x-compat]
> >
> > /opt/gnome/include/sigc++-2.0/sigc++/functors/functor_trait.h:91:3: 
> > warning: identifier 'nullptr' is a keyword in C++11 [-Wc++0x-compat]
> >
> > /opt/gnome/include/sigc++-2.0/sigc++/functors/functor_trait.h:91:36: 
> > error: 'decltype' has not been declared
> >
> > /opt/gnome/include/sigc++-2.0/sigc++/functors/functor_trait.h:96:44: 
> > error: 'nullptr' was not declared in this scope
> >      = sizeof(check(static_cast<T_functor*>(nullptr))) == sizeof(int)
> I'm guessing this means I need to enable C++11 within jhbuild.  Do I do 
> this in my .jhbuildrc or should this be a compiler flag added within the 
> glibmm configure.ac?

This seems to be a -Wc++0x-compat warning. Do you have that in your
jhbuild config file somehow?

-- 
Murray Cumming
murrayc murrayc com
www.murrayc.com