Re: gcc 11 compatibility?

[Mike Liao <mikeljx 126 com>]

Thanks! I have manually changed all the bad constructors in those header 
files, and it works now. Hope the next release of glibmm will include 
those fixes in the repository :D

On 5/19/21 1:18 AM, Kjell Ahlstedt wrote:
> Den 2021-05-18 kl. 17:51, skrev Mike Liao via gtkmm-list:
> > I've recently updated my gcc to version 11, and I can't compile my 
> > project under thec++20 standard.
> >
> > Here is part of the errors gcc reports:
> >
> > /usr/include/glibmm-2.68/glibmm/variant.h:910:24: error: expected 
> > unqualified-id before ‘)’ token
> >   910 |   Variant<VariantBase>();
> >       |                        ^
> > /usr/include/glibmm-2.68/glibmm/variant.h:971:25: error: expected 
> > unqualified-id before ‘)’ token
> >   971 |   Variant< Variant<T> >();
> >       |                         ^
> > /
> > Does this have anything to do with some new rules introduced in c++20?
> Yes, C++20 is stricter in some  respects, and gcc 11 is more C++20 
> compliant than gcc 10. Glib::Variant has been updated in the git 
> repository, but not yet in any released version of glibmm. See 
> https://gitlab.gnome.org/GNOME/glibmm/-/merge_requests/50