Re: C++11 flags for jhbuild

[Murray Cumming <murrayc murrayc com>]

On Sun, 2015-07-19 at 15:44 +0200, Murray Cumming wrote:
> 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?

Or maybe you just need to run autogen.sh again.

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